18963664

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{3517}}^1$

素因数の和:3862

約数の個数: 20

約数和(自身を含む): 36861604

約数和(自身を除く): 17897940

約数列:

[1, 2, 4, 8, 16, 337, 674, 1348, 2696, 3517, 5392, 7034, 14068, 28136, 56272, 1185229, 2370458, 4740916, 9481832, 18963664]

約数ペア:

[(1, 18963664), (2, 9481832), (4, 4740916), (8, 2370458), (16, 1185229), (337, 56272), (674, 28136), (1348, 14068), (2696, 7034), (3517, 5392)]