19959906

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2729}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 22497054

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2729, 3657, 5458, 7314, 8187, 16374, 62767, 125534, 144637, 188301, 289274, 376602, 433911, 867822, 3326651, 6653302, 9979953, 19959906]

約数ペア:

[(1, 19959906), (2, 9979953), (3, 6653302), (6, 3326651), (23, 867822), (46, 433911), (53, 376602), (69, 289274), (106, 188301), (138, 144637), (159, 125534), (318, 62767), (1219, 16374), (2438, 8187), (2729, 7314), (3657, 5458)]