19463960

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1129}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 24470440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1129, 1724, 2155, 2258, 3448, 4310, 4516, 5645, 8620, 9032, 11290, 17240, 22580, 45160, 486599, 973198, 1946396, 2432995, 3892792, 4865990, 9731980, 19463960]

約数ペア:

[(1, 19463960), (2, 9731980), (4, 4865990), (5, 3892792), (8, 2432995), (10, 1946396), (20, 973198), (40, 486599), (431, 45160), (862, 22580), (1129, 17240), (1724, 11290), (2155, 9032), (2258, 8620), (3448, 5645), (4310, 4516)]