18950799

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{941}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 29639088

約数和(自身を除く): 10688289

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 941, 959, 2823, 2877, 6587, 6713, 19761, 20139, 46109, 128917, 138327, 386751, 902419, 2707257, 6316933, 18950799]

約数ペア:

[(1, 18950799), (3, 6316933), (7, 2707257), (21, 902419), (49, 386751), (137, 138327), (147, 128917), (411, 46109), (941, 20139), (959, 19761), (2823, 6713), (2877, 6587)]