18560980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12713}}^1$

素因数の和:12795

約数の個数: 24

約数和(自身を含む): 39515112

約数和(自身を除く): 20954132

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12713, 25426, 50852, 63565, 127130, 254260, 928049, 1856098, 3712196, 4640245, 9280490, 18560980]

約数ペア:

[(1, 18560980), (2, 9280490), (4, 4640245), (5, 3712196), (10, 1856098), (20, 928049), (73, 254260), (146, 127130), (292, 63565), (365, 50852), (730, 25426), (1460, 12713)]