19912180

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4273}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 42004872

約数和(自身を除く): 22092692

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4273, 4660, 8546, 17092, 21365, 42730, 85460, 995609, 1991218, 3982436, 4978045, 9956090, 19912180]

約数ペア:

[(1, 19912180), (2, 9956090), (4, 4978045), (5, 3982436), (10, 1991218), (20, 995609), (233, 85460), (466, 42730), (932, 21365), (1165, 17092), (2330, 8546), (4273, 4660)]