19218616

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 37908000

約数和(自身を除く): 18689384

約数列:

[1, 2, 4, 8, 23, 46, 92, 149, 184, 298, 596, 701, 1192, 1402, 2804, 3427, 5608, 6854, 13708, 16123, 27416, 32246, 64492, 104449, 128984, 208898, 417796, 835592, 2402327, 4804654, 9609308, 19218616]

約数ペア:

[(1, 19218616), (2, 9609308), (4, 4804654), (8, 2402327), (23, 835592), (46, 417796), (92, 208898), (149, 128984), (184, 104449), (298, 64492), (596, 32246), (701, 27416), (1192, 16123), (1402, 13708), (2804, 6854), (3427, 5608)]