18636890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 35112960

約数和(自身を除く): 16476070

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 761, 790, 1522, 2449, 3805, 4898, 7610, 12245, 23591, 24490, 47182, 60119, 117955, 120238, 235910, 300595, 601190, 1863689, 3727378, 9318445, 18636890]

約数ペア:

[(1, 18636890), (2, 9318445), (5, 3727378), (10, 1863689), (31, 601190), (62, 300595), (79, 235910), (155, 120238), (158, 117955), (310, 60119), (395, 47182), (761, 24490), (790, 23591), (1522, 12245), (2449, 7610), (3805, 4898)]