18513275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 26141184

約数和(自身を除く): 7627909

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 2927, 6325, 14635, 32197, 67321, 73175, 160985, 336605, 740531, 804925, 1683025, 3702655, 18513275]

約数ペア:

[(1, 18513275), (5, 3702655), (11, 1683025), (23, 804925), (25, 740531), (55, 336605), (115, 160985), (253, 73175), (275, 67321), (575, 32197), (1265, 14635), (2927, 6325)]