180013790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{86131}}^1$

素因数の和:86168

約数の個数: 32

約数和(自身を含む): 372090240

約数和(自身を除く): 192076450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 86131, 172262, 430655, 861310, 947441, 1636489, 1894882, 3272978, 4737205, 8182445, 9474410, 16364890, 18001379, 36002758, 90006895, 180013790]

約数ペア:

[(1, 180013790), (2, 90006895), (5, 36002758), (10, 18001379), (11, 16364890), (19, 9474410), (22, 8182445), (38, 4737205), (55, 3272978), (95, 1894882), (110, 1636489), (190, 947441), (209, 861310), (418, 430655), (1045, 172262), (2090, 86131)]