19430620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88321}}^1$

素因数の和:88341

約数の個数: 24

約数和(自身を含む): 44514288

約数和(自身を除く): 25083668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88321, 176642, 353284, 441605, 883210, 971531, 1766420, 1943062, 3886124, 4857655, 9715310, 19430620]

約数ペア:

[(1, 19430620), (2, 9715310), (4, 4857655), (5, 3886124), (10, 1943062), (11, 1766420), (20, 971531), (22, 883210), (44, 441605), (55, 353284), (110, 176642), (220, 88321)]