18781607421

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{376483}}^1$

素因数の和:376753

約数の個数: 24

約数和(自身を含む): 28426047936

約数和(自身を除く): 9644440515

約数列:

[1, 3, 9, 23, 69, 207, 241, 723, 2169, 5543, 16629, 49887, 376483, 1129449, 3388347, 8659109, 25977327, 77931981, 90732403, 272197209, 816591627, 2086845269, 6260535807, 18781607421]

約数ペア:

[(1, 18781607421), (3, 6260535807), (9, 2086845269), (23, 816591627), (69, 272197209), (207, 90732403), (241, 77931981), (723, 25977327), (2169, 8659109), (5543, 3388347), (16629, 1129449), (49887, 376483)]