17953540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1033}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 41690880

約数和(自身を除く): 23737340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1033, 1580, 1738, 2066, 3476, 4132, 4345, 5165, 8690, 10330, 11363, 17380, 20660, 22726, 45452, 56815, 81607, 113630, 163214, 227260, 326428, 408035, 816070, 897677, 1632140, 1795354, 3590708, 4488385, 8976770, 17953540]

約数ペア:

[(1, 17953540), (2, 8976770), (4, 4488385), (5, 3590708), (10, 1795354), (11, 1632140), (20, 897677), (22, 816070), (44, 408035), (55, 326428), (79, 227260), (110, 163214), (158, 113630), (220, 81607), (316, 56815), (395, 45452), (790, 22726), (869, 20660), (1033, 17380), (1580, 11363), (1738, 10330), (2066, 8690), (3476, 5165), (4132, 4345)]