19863506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 33337920

約数和(自身を除く): 13474414

約数列:

[1, 2, 13, 26, 43, 86, 109, 163, 218, 326, 559, 1118, 1417, 2119, 2834, 4238, 4687, 7009, 9374, 14018, 17767, 35534, 60931, 91117, 121862, 182234, 230971, 461942, 763981, 1527962, 9931753, 19863506]

約数ペア:

[(1, 19863506), (2, 9931753), (13, 1527962), (26, 763981), (43, 461942), (86, 230971), (109, 182234), (163, 121862), (218, 91117), (326, 60931), (559, 35534), (1118, 17767), (1417, 14018), (2119, 9374), (2834, 7009), (4238, 4687)]