18784562139

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1851973}}^1$

素因数の和:1852016

約数の個数: 36

約数和(自身を含む): 32935505616

約数和(自身を除く): 14150943477

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 1851973, 5555919, 12963811, 16667757, 38891433, 42595379, 90746677, 116674299, 127786137, 272240031, 298167653, 383358411, 816720093, 894502959, 2087173571, 2683508877, 6261520713, 18784562139]

約数ペア:

[(1, 18784562139), (3, 6261520713), (7, 2683508877), (9, 2087173571), (21, 894502959), (23, 816720093), (49, 383358411), (63, 298167653), (69, 272240031), (147, 127786137), (161, 116674299), (207, 90746677), (441, 42595379), (483, 38891433), (1127, 16667757), (1449, 12963811), (3381, 5555919), (10143, 1851973)]