18676640

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1033}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 44557128

約数和(自身を除く): 25880488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1033, 1130, 1808, 2066, 2260, 3616, 4132, 4520, 5165, 8264, 9040, 10330, 16528, 18080, 20660, 33056, 41320, 82640, 116729, 165280, 233458, 466916, 583645, 933832, 1167290, 1867664, 2334580, 3735328, 4669160, 9338320, 18676640]

約数ペア:

[(1, 18676640), (2, 9338320), (4, 4669160), (5, 3735328), (8, 2334580), (10, 1867664), (16, 1167290), (20, 933832), (32, 583645), (40, 466916), (80, 233458), (113, 165280), (160, 116729), (226, 82640), (452, 41320), (565, 33056), (904, 20660), (1033, 18080), (1130, 16528), (1808, 10330), (2066, 9040), (2260, 8264), (3616, 5165), (4132, 4520)]