18817106

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 19198894

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 59, 77, 109, 118, 133, 154, 209, 218, 266, 413, 418, 649, 763, 826, 1121, 1199, 1298, 1463, 1526, 2071, 2242, 2398, 2926, 4142, 4543, 6431, 7847, 8393, 9086, 12331, 12862, 14497, 15694, 16786, 22781, 24662, 28994, 45017, 45562, 70741, 86317, 90034, 122189, 141482, 159467, 172634, 244378, 318934, 495187, 855323, 990374, 1344079, 1710646, 2688158, 9408553, 18817106]

約数ペア:

[(1, 18817106), (2, 9408553), (7, 2688158), (11, 1710646), (14, 1344079), (19, 990374), (22, 855323), (38, 495187), (59, 318934), (77, 244378), (109, 172634), (118, 159467), (133, 141482), (154, 122189), (209, 90034), (218, 86317), (266, 70741), (413, 45562), (418, 45017), (649, 28994), (763, 24662), (826, 22781), (1121, 16786), (1199, 15694), (1298, 14497), (1463, 12862), (1526, 12331), (2071, 9086), (2242, 8393), (2398, 7847), (2926, 6431), (4142, 4543)]