19117540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73529}}^1$

素因数の和:73551

約数の個数: 24

約数和(自身を含む): 43235640

約数和(自身を除く): 24118100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73529, 147058, 294116, 367645, 735290, 955877, 1470580, 1911754, 3823508, 4779385, 9558770, 19117540]

約数ペア:

[(1, 19117540), (2, 9558770), (4, 4779385), (5, 3823508), (10, 1911754), (13, 1470580), (20, 955877), (26, 735290), (52, 367645), (65, 294116), (130, 147058), (260, 73529)]