19439968121

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1\times {\mathrm{1009}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 22918241280

約数和(自身を除く): 3478273159

約数列:

[1, 7, 47, 157, 329, 373, 1009, 1099, 2611, 7063, 7379, 17531, 47423, 51653, 58561, 122717, 158413, 331961, 376357, 409927, 1108891, 2634499, 2752367, 7445411, 17688779, 19266569, 52117877, 59088049, 123821453, 413616343, 2777138303, 19439968121]

約数ペア:

[(1, 19439968121), (7, 2777138303), (47, 413616343), (157, 123821453), (329, 59088049), (373, 52117877), (1009, 19266569), (1099, 17688779), (2611, 7445411), (7063, 2752367), (7379, 2634499), (17531, 1108891), (47423, 409927), (51653, 376357), (58561, 331961), (122717, 158413)]