19918706976

素因数分解:

$2^5\times 3^3\times 7^3\times {\mathrm{67213}}^1$

素因数の和:67253

約数の個数: 192

約数和(自身を含む): 67751712000

約数和(自身を除く): 47833005024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 343, 378, 392, 432, 441, 504, 588, 672, 686, 756, 784, 864, 882, 1008, 1029, 1176, 1323, 1372, 1512, 1568, 1764, 2016, 2058, 2352, 2646, 2744, 3024, 3087, 3528, 4116, 4704, 5292, 5488, 6048, 6174, 7056, 8232, 9261, 10584, 10976, 12348, 14112, 16464, 18522, 21168, 24696, 32928, 37044, 42336, 49392, 67213, 74088, 98784, 134426, 148176, 201639, 268852, 296352, 403278, 470491, 537704, 604917, 806556, 940982, 1075408, 1209834, 1411473, 1613112, 1814751, 1881964, 2150816, 2419668, 2822946, 3226224, 3293437, 3629502, 3763928, 4234419, 4839336, 5645892, 6452448, 6586874, 7259004, 7527856, 8468838, 9678672, 9880311, 11291784, 12703257, 13173748, 14518008, 15055712, 16937676, 19357344, 19760622, 22583568, 23054059, 25406514, 26347496, 29036016, 29640933, 33875352, 39521244, 45167136, 46108118, 50813028, 52694992, 58072032, 59281866, 67750704, 69162177, 79042488, 88922799, 92216236, 101626056, 105389984, 118563732, 135501408, 138324354, 158084976, 177845598, 184432472, 203252112, 207486531, 237127464, 276648708, 316169952, 355691196, 368864944, 406504224, 414973062, 474254928, 553297416, 622459593, 711382392, 737729888, 829946124, 948509856, 1106594832, 1244919186, 1422764784, 1659892248, 2213189664, 2489838372, 2845529568, 3319784496, 4979676744, 6639568992, 9959353488, 19918706976]

約数ペア:

[(1, 19918706976), (2, 9959353488), (3, 6639568992), (4, 4979676744), (6, 3319784496), (7, 2845529568), (8, 2489838372), (9, 2213189664), (12, 1659892248), (14, 1422764784), (16, 1244919186), (18, 1106594832), (21, 948509856), (24, 829946124), (27, 737729888), (28, 711382392), (32, 622459593), (36, 553297416), (42, 474254928), (48, 414973062), (49, 406504224), (54, 368864944), (56, 355691196), (63, 316169952), (72, 276648708), (84, 237127464), (96, 207486531), (98, 203252112), (108, 184432472), (112, 177845598), (126, 158084976), (144, 138324354), (147, 135501408), (168, 118563732), (189, 105389984), (196, 101626056), (216, 92216236), (224, 88922799), (252, 79042488), (288, 69162177), (294, 67750704), (336, 59281866), (343, 58072032), (378, 52694992), (392, 50813028), (432, 46108118), (441, 45167136), (504, 39521244), (588, 33875352), (672, 29640933), (686, 29036016), (756, 26347496), (784, 25406514), (864, 23054059), (882, 22583568), (1008, 19760622), (1029, 19357344), (1176, 16937676), (1323, 15055712), (1372, 14518008), (1512, 13173748), (1568, 12703257), (1764, 11291784), (2016, 9880311), (2058, 9678672), (2352, 8468838), (2646, 7527856), (2744, 7259004), (3024, 6586874), (3087, 6452448), (3528, 5645892), (4116, 4839336), (4704, 4234419), (5292, 3763928), (5488, 3629502), (6048, 3293437), (6174, 3226224), (7056, 2822946), (8232, 2419668), (9261, 2150816), (10584, 1881964), (10976, 1814751), (12348, 1613112), (14112, 1411473), (16464, 1209834), (18522, 1075408), (21168, 940982), (24696, 806556), (32928, 604917), (37044, 537704), (42336, 470491), (49392, 403278), (67213, 296352), (74088, 268852), (98784, 201639), (134426, 148176)]