19541998

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 15478802

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 379, 406, 758, 889, 1778, 2653, 3683, 5306, 7366, 10991, 21982, 25781, 48133, 51562, 76937, 96266, 153874, 336931, 673862, 1395857, 2791714, 9770999, 19541998]

約数ペア:

[(1, 19541998), (2, 9770999), (7, 2791714), (14, 1395857), (29, 673862), (58, 336931), (127, 153874), (203, 96266), (254, 76937), (379, 51562), (406, 48133), (758, 25781), (889, 21982), (1778, 10991), (2653, 7366), (3683, 5306)]