19701648

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 58496256

約数和(自身を除く): 38794608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 47, 48, 71, 72, 82, 94, 123, 141, 142, 144, 164, 188, 213, 246, 282, 284, 328, 369, 376, 423, 426, 492, 564, 568, 639, 656, 738, 752, 846, 852, 984, 1128, 1136, 1278, 1476, 1692, 1704, 1927, 1968, 2256, 2556, 2911, 2952, 3337, 3384, 3408, 3854, 5112, 5781, 5822, 5904, 6674, 6768, 7708, 8733, 10011, 10224, 11562, 11644, 13348, 15416, 17343, 17466, 20022, 23124, 23288, 26199, 26696, 30033, 30832, 34686, 34932, 40044, 46248, 46576, 52398, 53392, 60066, 69372, 69864, 80088, 92496, 104796, 120132, 136817, 138744, 139728, 160176, 209592, 240264, 273634, 277488, 410451, 419184, 480528, 547268, 820902, 1094536, 1231353, 1641804, 2189072, 2462706, 3283608, 4925412, 6567216, 9850824, 19701648]

約数ペア:

[(1, 19701648), (2, 9850824), (3, 6567216), (4, 4925412), (6, 3283608), (8, 2462706), (9, 2189072), (12, 1641804), (16, 1231353), (18, 1094536), (24, 820902), (36, 547268), (41, 480528), (47, 419184), (48, 410451), (71, 277488), (72, 273634), (82, 240264), (94, 209592), (123, 160176), (141, 139728), (142, 138744), (144, 136817), (164, 120132), (188, 104796), (213, 92496), (246, 80088), (282, 69864), (284, 69372), (328, 60066), (369, 53392), (376, 52398), (423, 46576), (426, 46248), (492, 40044), (564, 34932), (568, 34686), (639, 30832), (656, 30033), (738, 26696), (752, 26199), (846, 23288), (852, 23124), (984, 20022), (1128, 17466), (1136, 17343), (1278, 15416), (1476, 13348), (1692, 11644), (1704, 11562), (1927, 10224), (1968, 10011), (2256, 8733), (2556, 7708), (2911, 6768), (2952, 6674), (3337, 5904), (3384, 5822), (3408, 5781), (3854, 5112)]