19801812

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15139}}^1$

素因数の和:15255

約数の個数: 24

約数和(自身を含む): 46631200

約数和(自身を除く): 26829388

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 15139, 30278, 45417, 60556, 90834, 181668, 1650151, 3300302, 4950453, 6600604, 9900906, 19801812]

約数ペア:

[(1, 19801812), (2, 9900906), (3, 6600604), (4, 4950453), (6, 3300302), (12, 1650151), (109, 181668), (218, 90834), (327, 60556), (436, 45417), (654, 30278), (1308, 15139)]