18277720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26879}}^1$

素因数の和:26907

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 25267880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26879, 53758, 107516, 134395, 215032, 268790, 456943, 537580, 913886, 1075160, 1827772, 2284715, 3655544, 4569430, 9138860, 18277720]

約数ペア:

[(1, 18277720), (2, 9138860), (4, 4569430), (5, 3655544), (8, 2284715), (10, 1827772), (17, 1075160), (20, 913886), (34, 537580), (40, 456943), (68, 268790), (85, 215032), (136, 134395), (170, 107516), (340, 53758), (680, 26879)]