19828091855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27731597}}^1$

素因数の和:27731626

約数の個数: 16

約数和(自身を含む): 27953450784

約数和(自身を除く): 8125358929

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27731597, 138657985, 305047567, 360510761, 1525237835, 1802553805, 3965618371, 19828091855]

約数ペア:

[(1, 19828091855), (5, 3965618371), (11, 1802553805), (13, 1525237835), (55, 360510761), (65, 305047567), (143, 138657985), (715, 27731597)]