19846904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 28990696

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 101, 116, 121, 154, 202, 203, 232, 242, 308, 319, 404, 406, 484, 616, 638, 707, 808, 812, 847, 968, 1111, 1276, 1414, 1624, 1694, 2222, 2233, 2552, 2828, 2929, 3388, 3509, 4444, 4466, 5656, 5858, 6776, 7018, 7777, 8888, 8932, 11716, 12221, 14036, 15554, 17864, 20503, 23432, 24442, 24563, 28072, 31108, 32219, 41006, 48884, 49126, 62216, 64438, 82012, 85547, 97768, 98252, 128876, 164024, 171094, 196504, 225533, 257752, 342188, 354409, 451066, 684376, 708818, 902132, 1417636, 1804264, 2480863, 2835272, 4961726, 9923452, 19846904]

約数ペア:

[(1, 19846904), (2, 9923452), (4, 4961726), (7, 2835272), (8, 2480863), (11, 1804264), (14, 1417636), (22, 902132), (28, 708818), (29, 684376), (44, 451066), (56, 354409), (58, 342188), (77, 257752), (88, 225533), (101, 196504), (116, 171094), (121, 164024), (154, 128876), (202, 98252), (203, 97768), (232, 85547), (242, 82012), (308, 64438), (319, 62216), (404, 49126), (406, 48884), (484, 41006), (616, 32219), (638, 31108), (707, 28072), (808, 24563), (812, 24442), (847, 23432), (968, 20503), (1111, 17864), (1276, 15554), (1414, 14036), (1624, 12221), (1694, 11716), (2222, 8932), (2233, 8888), (2552, 7777), (2828, 7018), (2929, 6776), (3388, 5858), (3509, 5656), (4444, 4466)]