19278883

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 2171357

約数列:

[1, 13, 47, 139, 227, 611, 1807, 2951, 6533, 10669, 31553, 84929, 138697, 410189, 1482991, 19278883]

約数ペア:

[(1, 19278883), (13, 1482991), (47, 410189), (139, 138697), (227, 84929), (611, 31553), (1807, 10669), (2951, 6533)]