19793540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76129}}^1$

素因数の和:76151

約数の個数: 24

約数和(自身を含む): 44764440

約数和(自身を除く): 24970900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76129, 152258, 304516, 380645, 761290, 989677, 1522580, 1979354, 3958708, 4948385, 9896770, 19793540]

約数ペア:

[(1, 19793540), (2, 9896770), (4, 4948385), (5, 3958708), (10, 1979354), (13, 1522580), (20, 989677), (26, 761290), (52, 380645), (65, 304516), (130, 152258), (260, 76129)]