19423707

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 10228773

約数列:

[1, 3, 17, 23, 29, 51, 69, 87, 391, 493, 571, 667, 1173, 1479, 1713, 2001, 9707, 11339, 13133, 16559, 29121, 34017, 39399, 49677, 223261, 281503, 380857, 669783, 844509, 1142571, 6474569, 19423707]

約数ペア:

[(1, 19423707), (3, 6474569), (17, 1142571), (23, 844509), (29, 669783), (51, 380857), (69, 281503), (87, 223261), (391, 49677), (493, 39399), (571, 34017), (667, 29121), (1173, 16559), (1479, 13133), (1713, 11339), (2001, 9707)]