19740325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3121}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 27873216

約数和(自身を除く): 8132891

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3121, 6325, 15605, 34331, 71783, 78025, 171655, 358915, 789613, 858275, 1794575, 3948065, 19740325]

約数ペア:

[(1, 19740325), (5, 3948065), (11, 1794575), (23, 858275), (25, 789613), (55, 358915), (115, 171655), (253, 78025), (275, 71783), (575, 34331), (1265, 15605), (3121, 6325)]