18691574110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3951707}}^1$

素因数の和:3951768

約数の個数: 32

約数和(自身を含む): 37557032832

約数和(自身を除く): 18865458722

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 3951707, 7903414, 19758535, 39517070, 43468777, 86937554, 169923401, 217343885, 339846802, 434687770, 849617005, 1699234010, 1869157411, 3738314822, 9345787055, 18691574110]

約数ペア:

[(1, 18691574110), (2, 9345787055), (5, 3738314822), (10, 1869157411), (11, 1699234010), (22, 849617005), (43, 434687770), (55, 339846802), (86, 217343885), (110, 169923401), (215, 86937554), (430, 43468777), (473, 39517070), (946, 19758535), (2365, 7903414), (4730, 3951707)]