19927386

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{29921}}^1$

素因数の和:29966

約数の個数: 24

約数和(自身を含む): 44344404

約数和(自身を除く): 24417018

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 29921, 59842, 89763, 179526, 269289, 538578, 1107077, 2214154, 3321231, 6642462, 9963693, 19927386]

約数ペア:

[(1, 19927386), (2, 9963693), (3, 6642462), (6, 3321231), (9, 2214154), (18, 1107077), (37, 538578), (74, 269289), (111, 179526), (222, 89763), (333, 59842), (666, 29921)]