18968690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1847}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 18286990

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 1847, 2054, 3694, 5135, 9235, 10270, 18470, 24011, 48022, 120055, 145913, 240110, 291826, 729565, 1459130, 1896869, 3793738, 9484345, 18968690]

約数ペア:

[(1, 18968690), (2, 9484345), (5, 3793738), (10, 1896869), (13, 1459130), (26, 729565), (65, 291826), (79, 240110), (130, 145913), (158, 120055), (395, 48022), (790, 24011), (1027, 18470), (1847, 10270), (2054, 9235), (3694, 5135)]