19675920607

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{38933}}^1$

素因数の和:39079

約数の個数: 32

約数和(自身を含む): 24339667968

約数和(自身を除く): 4663747361

約数列:

[1, 7, 23, 43, 73, 161, 301, 511, 989, 1679, 3139, 6923, 11753, 21973, 38933, 72197, 272531, 505379, 895459, 1674119, 2842109, 6268213, 11718833, 19894763, 38504737, 65368507, 122210687, 269533159, 457579549, 855474809, 2810845801, 19675920607]

約数ペア:

[(1, 19675920607), (7, 2810845801), (23, 855474809), (43, 457579549), (73, 269533159), (161, 122210687), (301, 65368507), (511, 38504737), (989, 19894763), (1679, 11718833), (3139, 6268213), (6923, 2842109), (11753, 1674119), (21973, 895459), (38933, 505379), (72197, 272531)]