19001104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69857}}^1$

素因数の和:69882

約数の個数: 20

約数和(自身を含む): 38980764

約数和(自身を除く): 19979660

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69857, 139714, 279428, 558856, 1117712, 1187569, 2375138, 4750276, 9500552, 19001104]

約数ペア:

[(1, 19001104), (2, 9500552), (4, 4750276), (8, 2375138), (16, 1187569), (17, 1117712), (34, 558856), (68, 279428), (136, 139714), (272, 69857)]