19073456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70123}}^1$

素因数の和:70148

約数の個数: 20

約数和(自身を含む): 39129192

約数和(自身を除く): 20055736

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70123, 140246, 280492, 560984, 1121968, 1192091, 2384182, 4768364, 9536728, 19073456]

約数ペア:

[(1, 19073456), (2, 9536728), (4, 4768364), (8, 2384182), (16, 1192091), (17, 1121968), (34, 560984), (68, 280492), (136, 140246), (272, 70123)]