20171801156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{626687}}^1$

素因数の和:627323

約数の個数: 24

約数和(自身を含む): 38077562880

約数和(自身を除く): 17905761724

約数列:

[1, 2, 4, 13, 26, 52, 619, 1238, 2476, 8047, 16094, 32188, 626687, 1253374, 2506748, 8146931, 16293862, 32587724, 387919253, 775838506, 1551677012, 5042950289, 10085900578, 20171801156]

約数ペア:

[(1, 20171801156), (2, 10085900578), (4, 5042950289), (13, 1551677012), (26, 775838506), (52, 387919253), (619, 32587724), (1238, 16293862), (2476, 8146931), (8047, 2506748), (16094, 1253374), (32188, 626687)]