18715460

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1483}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 39391296

約数和(自身を除く): 20675836

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1483, 2524, 2966, 3155, 5932, 6310, 7415, 12620, 14830, 29660, 935773, 1871546, 3743092, 4678865, 9357730, 18715460]

約数ペア:

[(1, 18715460), (2, 9357730), (4, 4678865), (5, 3743092), (10, 1871546), (20, 935773), (631, 29660), (1262, 14830), (1483, 12620), (2524, 7415), (2966, 6310), (3155, 5932)]