18688992

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 59466960

約数和(自身を除く): 40777968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 49, 56, 58, 84, 87, 96, 98, 112, 116, 137, 147, 168, 174, 196, 203, 224, 232, 274, 294, 336, 348, 392, 406, 411, 464, 548, 588, 609, 672, 696, 784, 812, 822, 928, 959, 1096, 1176, 1218, 1392, 1421, 1568, 1624, 1644, 1918, 2192, 2352, 2436, 2784, 2842, 2877, 3248, 3288, 3836, 3973, 4263, 4384, 4704, 4872, 5684, 5754, 6496, 6576, 6713, 7672, 7946, 8526, 9744, 11368, 11508, 11919, 13152, 13426, 15344, 15892, 17052, 19488, 20139, 22736, 23016, 23838, 26852, 27811, 30688, 31784, 34104, 40278, 45472, 46032, 47676, 53704, 55622, 63568, 68208, 80556, 83433, 92064, 95352, 107408, 111244, 127136, 136416, 161112, 166866, 190704, 194677, 214816, 222488, 322224, 333732, 381408, 389354, 444976, 584031, 644448, 667464, 778708, 889952, 1168062, 1334928, 1557416, 2336124, 2669856, 3114832, 4672248, 6229664, 9344496, 18688992]

約数ペア:

[(1, 18688992), (2, 9344496), (3, 6229664), (4, 4672248), (6, 3114832), (7, 2669856), (8, 2336124), (12, 1557416), (14, 1334928), (16, 1168062), (21, 889952), (24, 778708), (28, 667464), (29, 644448), (32, 584031), (42, 444976), (48, 389354), (49, 381408), (56, 333732), (58, 322224), (84, 222488), (87, 214816), (96, 194677), (98, 190704), (112, 166866), (116, 161112), (137, 136416), (147, 127136), (168, 111244), (174, 107408), (196, 95352), (203, 92064), (224, 83433), (232, 80556), (274, 68208), (294, 63568), (336, 55622), (348, 53704), (392, 47676), (406, 46032), (411, 45472), (464, 40278), (548, 34104), (588, 31784), (609, 30688), (672, 27811), (696, 26852), (784, 23838), (812, 23016), (822, 22736), (928, 20139), (959, 19488), (1096, 17052), (1176, 15892), (1218, 15344), (1392, 13426), (1421, 13152), (1568, 11919), (1624, 11508), (1644, 11368), (1918, 9744), (2192, 8526), (2352, 7946), (2436, 7672), (2784, 6713), (2842, 6576), (2877, 6496), (3248, 5754), (3288, 5684), (3836, 4872), (3973, 4704), (4263, 4384)]