18661132

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21541

約数の個数: 24

約数和(自身を含む): 38528000

約数和(自身を除く): 19866868

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21499, 42998, 85996, 150493, 300986, 601972, 666469, 1332938, 2665876, 4665283, 9330566, 18661132]

約数ペア:

[(1, 18661132), (2, 9330566), (4, 4665283), (7, 2665876), (14, 1332938), (28, 666469), (31, 601972), (62, 300986), (124, 150493), (217, 85996), (434, 42998), (868, 21499)]