19017700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14629}}^1$

素因数の和:14656

約数の個数: 36

約数和(自身を含む): 44445940

約数和(自身を除く): 25428240

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14629, 29258, 58516, 73145, 146290, 190177, 292580, 365725, 380354, 731450, 760708, 950885, 1462900, 1901770, 3803540, 4754425, 9508850, 19017700]

約数ペア:

[(1, 19017700), (2, 9508850), (4, 4754425), (5, 3803540), (10, 1901770), (13, 1462900), (20, 950885), (25, 760708), (26, 731450), (50, 380354), (52, 365725), (65, 292580), (100, 190177), (130, 146290), (260, 73145), (325, 58516), (650, 29258), (1300, 14629)]