9171910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 18144000

約数和(自身を除く): 8972090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 419, 838, 995, 1990, 2095, 2189, 4190, 4378, 4609, 9218, 10945, 21890, 23045, 46090, 83381, 166762, 416905, 833810, 917191, 1834382, 4585955, 9171910]

約数ペア:

[(1, 9171910), (2, 4585955), (5, 1834382), (10, 917191), (11, 833810), (22, 416905), (55, 166762), (110, 83381), (199, 46090), (398, 23045), (419, 21890), (838, 10945), (995, 9218), (1990, 4609), (2095, 4378), (2189, 4190)]