18485800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5437}}^1$

素因数の和:5470

約数の個数: 48

約数和(自身を含む): 45516060

約数和(自身を除く): 27030260

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5437, 10874, 21748, 27185, 43496, 54370, 92429, 108740, 135925, 184858, 217480, 271850, 369716, 462145, 543700, 739432, 924290, 1087400, 1848580, 2310725, 3697160, 4621450, 9242900, 18485800]

約数ペア:

[(1, 18485800), (2, 9242900), (4, 4621450), (5, 3697160), (8, 2310725), (10, 1848580), (17, 1087400), (20, 924290), (25, 739432), (34, 543700), (40, 462145), (50, 369716), (68, 271850), (85, 217480), (100, 184858), (136, 135925), (170, 108740), (200, 92429), (340, 54370), (425, 43496), (680, 27185), (850, 21748), (1700, 10874), (3400, 5437)]