18981805360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33896081}}^1$

素因数の和:33896101

約数の個数: 40

約数和(自身を含む): 50437370016

約数和(自身を除く): 31455564656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33896081, 67792162, 135584324, 169480405, 237272567, 271168648, 338960810, 474545134, 542337296, 677921620, 949090268, 1186362835, 1355843240, 1898180536, 2372725670, 2711686480, 3796361072, 4745451340, 9490902680, 18981805360]

約数ペア:

[(1, 18981805360), (2, 9490902680), (4, 4745451340), (5, 3796361072), (7, 2711686480), (8, 2372725670), (10, 1898180536), (14, 1355843240), (16, 1186362835), (20, 949090268), (28, 677921620), (35, 542337296), (40, 474545134), (56, 338960810), (70, 271168648), (80, 237272567), (112, 169480405), (140, 135584324), (280, 67792162), (560, 33896081)]