18426260

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5147}}^1$

素因数の和:5335

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 20492620

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5147, 10294, 20588, 25735, 51470, 102940, 921313, 1842626, 3685252, 4606565, 9213130, 18426260]

約数ペア:

[(1, 18426260), (2, 9213130), (4, 4606565), (5, 3685252), (10, 1842626), (20, 921313), (179, 102940), (358, 51470), (716, 25735), (895, 20588), (1790, 10294), (3580, 5147)]