18631564

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4133}}^1$

素因数の和:4174

約数の個数: 36

約数和(自身を含む): 39587184

約数和(自身を除く): 20955620

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4133, 4508, 8266, 16532, 28931, 57862, 95059, 115724, 190118, 202517, 380236, 405034, 665413, 810068, 1330826, 2661652, 4657891, 9315782, 18631564]

約数ペア:

[(1, 18631564), (2, 9315782), (4, 4657891), (7, 2661652), (14, 1330826), (23, 810068), (28, 665413), (46, 405034), (49, 380236), (92, 202517), (98, 190118), (161, 115724), (196, 95059), (322, 57862), (644, 28931), (1127, 16532), (2254, 8266), (4133, 4508)]