19669850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 39392568

約数和(自身を除く): 19722718

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 73, 85, 146, 170, 317, 365, 425, 634, 730, 850, 1241, 1585, 1825, 2482, 3170, 3650, 5389, 6205, 7925, 10778, 12410, 15850, 23141, 26945, 31025, 46282, 53890, 62050, 115705, 134725, 231410, 269450, 393397, 578525, 786794, 1157050, 1966985, 3933970, 9834925, 19669850]

約数ペア:

[(1, 19669850), (2, 9834925), (5, 3933970), (10, 1966985), (17, 1157050), (25, 786794), (34, 578525), (50, 393397), (73, 269450), (85, 231410), (146, 134725), (170, 115705), (317, 62050), (365, 53890), (425, 46282), (634, 31025), (730, 26945), (850, 23141), (1241, 15850), (1585, 12410), (1825, 10778), (2482, 7925), (3170, 6205), (3650, 5389)]