2017719820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5309789}}^1$

素因数の和:5309817

約数の個数: 24

約数和(自身を含む): 4460223600

約数和(自身を除く): 2442503780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5309789, 10619578, 21239156, 26548945, 53097890, 100885991, 106195780, 201771982, 403543964, 504429955, 1008859910, 2017719820]

約数ペア:

[(1, 2017719820), (2, 1008859910), (4, 504429955), (5, 403543964), (10, 201771982), (19, 106195780), (20, 100885991), (38, 53097890), (76, 26548945), (95, 21239156), (190, 10619578), (380, 5309789)]