19914105

素因数分解:

$3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1637}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 31921344

約数和(自身を除く): 12007239

約数列:

[1, 3, 5, 15, 811, 1637, 2433, 4055, 4911, 8185, 12165, 24555, 1327607, 3982821, 6638035, 19914105]

約数ペア:

[(1, 19914105), (3, 6638035), (5, 3982821), (15, 1327607), (811, 24555), (1637, 12165), (2433, 8185), (4055, 4911)]