19883223

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 29446560

約数和(自身を除く): 9563337

約数列:

[1, 3, 9, 89, 103, 241, 267, 309, 723, 801, 927, 2169, 9167, 21449, 24823, 27501, 64347, 74469, 82503, 193041, 223407, 2209247, 6627741, 19883223]

約数ペア:

[(1, 19883223), (3, 6627741), (9, 2209247), (89, 223407), (103, 193041), (241, 82503), (267, 74469), (309, 64347), (723, 27501), (801, 24823), (927, 21449), (2169, 9167)]