18470776420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1263391}}^1$

素因数の和:1263460

約数の個数: 48

約数和(自身を含む): 42025471488

約数和(自身を除く): 23554695068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1263391, 2526782, 5053564, 6316955, 12633910, 21477647, 25267820, 42955294, 54325813, 85910588, 107388235, 108651626, 214776470, 217303252, 271629065, 429552940, 543258130, 923538821, 1086516260, 1847077642, 3694155284, 4617694105, 9235388210, 18470776420]

約数ペア:

[(1, 18470776420), (2, 9235388210), (4, 4617694105), (5, 3694155284), (10, 1847077642), (17, 1086516260), (20, 923538821), (34, 543258130), (43, 429552940), (68, 271629065), (85, 217303252), (86, 214776470), (170, 108651626), (172, 107388235), (215, 85910588), (340, 54325813), (430, 42955294), (731, 25267820), (860, 21477647), (1462, 12633910), (2924, 6316955), (3655, 5053564), (7310, 2526782), (14620, 1263391)]