18483760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13591}}^1$

素因数の和:13621

約数の個数: 40

約数和(自身を含む): 45506016

約数和(自身を除く): 27022256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13591, 27182, 54364, 67955, 108728, 135910, 217456, 231047, 271820, 462094, 543640, 924188, 1087280, 1155235, 1848376, 2310470, 3696752, 4620940, 9241880, 18483760]

約数ペア:

[(1, 18483760), (2, 9241880), (4, 4620940), (5, 3696752), (8, 2310470), (10, 1848376), (16, 1155235), (17, 1087280), (20, 924188), (34, 543640), (40, 462094), (68, 271820), (80, 231047), (85, 217456), (136, 135910), (170, 108728), (272, 67955), (340, 54364), (680, 27182), (1360, 13591)]