18764697

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1193}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 29401056

約数和(自身を除く): 10636359

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 1193, 2247, 3579, 5243, 8351, 15729, 25053, 58457, 127651, 175371, 382953, 893557, 2680671, 6254899, 18764697]

約数ペア:

[(1, 18764697), (3, 6254899), (7, 2680671), (21, 893557), (49, 382953), (107, 175371), (147, 127651), (321, 58457), (749, 25053), (1193, 15729), (2247, 8351), (3579, 5243)]