18669310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3947}}^1$

素因数の和:4008

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 18852482

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 3947, 4730, 7894, 19735, 39470, 43417, 86834, 169721, 217085, 339442, 434170, 848605, 1697210, 1866931, 3733862, 9334655, 18669310]

約数ペア:

[(1, 18669310), (2, 9334655), (5, 3733862), (10, 1866931), (11, 1697210), (22, 848605), (43, 434170), (55, 339442), (86, 217085), (110, 169721), (215, 86834), (430, 43417), (473, 39470), (946, 19735), (2365, 7894), (3947, 4730)]