18525858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2306

約数の個数: 32

約数和(自身を含む): 40286400

約数和(自身を除く): 21760542

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2179, 2834, 4251, 4358, 6537, 8502, 13074, 28327, 56654, 84981, 169962, 237511, 475022, 712533, 1425066, 3087643, 6175286, 9262929, 18525858]

約数ペア:

[(1, 18525858), (2, 9262929), (3, 6175286), (6, 3087643), (13, 1425066), (26, 712533), (39, 475022), (78, 237511), (109, 169962), (218, 84981), (327, 56654), (654, 28327), (1417, 13074), (2179, 8502), (2834, 6537), (4251, 4358)]