18198500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2141}}^1$

素因数の和:2177

約数の個数: 48

約数和(自身を含む): 42103152

約数和(自身を除く): 23904652

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2141, 4250, 4282, 8500, 8564, 10705, 21410, 36397, 42820, 53525, 72794, 107050, 145588, 181985, 214100, 267625, 363970, 535250, 727940, 909925, 1070500, 1819850, 3639700, 4549625, 9099250, 18198500]

約数ペア:

[(1, 18198500), (2, 9099250), (4, 4549625), (5, 3639700), (10, 1819850), (17, 1070500), (20, 909925), (25, 727940), (34, 535250), (50, 363970), (68, 267625), (85, 214100), (100, 181985), (125, 145588), (170, 107050), (250, 72794), (340, 53525), (425, 42820), (500, 36397), (850, 21410), (1700, 10705), (2125, 8564), (2141, 8500), (4250, 4282)]