18961690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{773}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 18487526

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 773, 1115, 1546, 2230, 2453, 3865, 4906, 7730, 8503, 12265, 17006, 24530, 42515, 85030, 172379, 344758, 861895, 1723790, 1896169, 3792338, 9480845, 18961690]

約数ペア:

[(1, 18961690), (2, 9480845), (5, 3792338), (10, 1896169), (11, 1723790), (22, 861895), (55, 344758), (110, 172379), (223, 85030), (446, 42515), (773, 24530), (1115, 17006), (1546, 12265), (2230, 8503), (2453, 7730), (3865, 4906)]