18695536

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4889}}^1$

素因数の和:5136

約数の個数: 20

約数和(自身を含む): 36381600

約数和(自身を除く): 17686064

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4889, 9778, 19556, 39112, 78224, 1168471, 2336942, 4673884, 9347768, 18695536]

約数ペア:

[(1, 18695536), (2, 9347768), (4, 4673884), (8, 2336942), (16, 1168471), (239, 78224), (478, 39112), (956, 19556), (1912, 9778), (3824, 4889)]