20131718698

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{831683}}^1$

素因数の和:831731

約数の個数: 48

約数和(自身を含む): 39821029920

約数和(自身を除く): 19689311222

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1729, 1862, 3458, 12103, 24206, 831683, 1663366, 5821781, 10811879, 11643562, 15801977, 21623758, 31603954, 40752467, 75683153, 81504934, 110613839, 151366306, 205425701, 221227678, 410851402, 529782071, 774296873, 1059564142, 1437979907, 1548593746, 2875959814, 10065859349, 20131718698]

約数ペア:

[(1, 20131718698), (2, 10065859349), (7, 2875959814), (13, 1548593746), (14, 1437979907), (19, 1059564142), (26, 774296873), (38, 529782071), (49, 410851402), (91, 221227678), (98, 205425701), (133, 151366306), (182, 110613839), (247, 81504934), (266, 75683153), (494, 40752467), (637, 31603954), (931, 21623758), (1274, 15801977), (1729, 11643562), (1862, 10811879), (3458, 5821781), (12103, 1663366), (24206, 831683)]