18736340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133831}}^1$

素因数の和:133847

約数の個数: 24

約数和(自身を含む): 44967552

約数和(自身を除く): 26231212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133831, 267662, 535324, 669155, 936817, 1338310, 1873634, 2676620, 3747268, 4684085, 9368170, 18736340]

約数ペア:

[(1, 18736340), (2, 9368170), (4, 4684085), (5, 3747268), (7, 2676620), (10, 1873634), (14, 1338310), (20, 936817), (28, 669155), (35, 535324), (70, 267662), (140, 133831)]