15720198

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 34982640

約数和(自身を除く): 19262442

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 109, 129, 218, 258, 327, 559, 654, 1118, 1417, 1677, 1849, 2834, 3354, 3698, 4251, 4687, 5547, 8502, 9374, 11094, 14061, 24037, 28122, 48074, 60931, 72111, 121862, 144222, 182793, 201541, 365586, 403082, 604623, 1209246, 2620033, 5240066, 7860099, 15720198]

約数ペア:

[(1, 15720198), (2, 7860099), (3, 5240066), (6, 2620033), (13, 1209246), (26, 604623), (39, 403082), (43, 365586), (78, 201541), (86, 182793), (109, 144222), (129, 121862), (218, 72111), (258, 60931), (327, 48074), (559, 28122), (654, 24037), (1118, 14061), (1417, 11094), (1677, 9374), (1849, 8502), (2834, 5547), (3354, 4687), (3698, 4251)]