19461296

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11159}}^1$

素因数の和:11276

約数の個数: 20

約数和(自身を含む): 38055600

約数和(自身を除く): 18594304

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11159, 22318, 44636, 89272, 178544, 1216331, 2432662, 4865324, 9730648, 19461296]

約数ペア:

[(1, 19461296), (2, 9730648), (4, 4865324), (8, 2432662), (16, 1216331), (109, 178544), (218, 89272), (436, 44636), (872, 22318), (1744, 11159)]