18535660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6514

約数の個数: 48

約数和(自身を含む): 45736992

約数和(自身を除く): 27201332

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6481, 12962, 25924, 32405, 64810, 71291, 84253, 129620, 142582, 168506, 285164, 337012, 356455, 421265, 712910, 842530, 926783, 1425820, 1685060, 1853566, 3707132, 4633915, 9267830, 18535660]

約数ペア:

[(1, 18535660), (2, 9267830), (4, 4633915), (5, 3707132), (10, 1853566), (11, 1685060), (13, 1425820), (20, 926783), (22, 842530), (26, 712910), (44, 421265), (52, 356455), (55, 337012), (65, 285164), (110, 168506), (130, 142582), (143, 129620), (220, 84253), (260, 71291), (286, 64810), (572, 32405), (715, 25924), (1430, 12962), (2860, 6481)]