18442450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 39138120

約数和(自身を除く): 20695670

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1669, 2210, 3338, 5525, 8345, 11050, 16690, 21697, 28373, 41725, 43394, 56746, 83450, 108485, 141865, 216970, 283730, 368849, 542425, 709325, 737698, 1084850, 1418650, 1844245, 3688490, 9221225, 18442450]

約数ペア:

[(1, 18442450), (2, 9221225), (5, 3688490), (10, 1844245), (13, 1418650), (17, 1084850), (25, 737698), (26, 709325), (34, 542425), (50, 368849), (65, 283730), (85, 216970), (130, 141865), (170, 108485), (221, 83450), (325, 56746), (425, 43394), (442, 41725), (650, 28373), (850, 21697), (1105, 16690), (1669, 11050), (2210, 8345), (3338, 5525)]