8861980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23321}}^1$

素因数の和:23349

約数の個数: 24

約数和(自身を含む): 19590480

約数和(自身を除く): 10728500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 23321, 46642, 93284, 116605, 233210, 443099, 466420, 886198, 1772396, 2215495, 4430990, 8861980]

約数ペア:

[(1, 8861980), (2, 4430990), (4, 2215495), (5, 1772396), (10, 886198), (19, 466420), (20, 443099), (38, 233210), (76, 116605), (95, 93284), (190, 46642), (380, 23321)]