18199984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103409}}^1$

素因数の和:103428

約数の個数: 20

約数和(自身を含む): 38468520

約数和(自身を除く): 20268536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 103409, 206818, 413636, 827272, 1137499, 1654544, 2274998, 4549996, 9099992, 18199984]

約数ペア:

[(1, 18199984), (2, 9099992), (4, 4549996), (8, 2274998), (11, 1654544), (16, 1137499), (22, 827272), (44, 413636), (88, 206818), (176, 103409)]