19388403

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4057}}^1$

素因数の和:4128

約数の個数: 20

約数和(自身を含む): 29461080

約数和(自身を除く): 10072677

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4057, 4779, 12171, 36513, 109539, 239363, 328617, 718089, 2154267, 6462801, 19388403]

約数ペア:

[(1, 19388403), (3, 6462801), (9, 2154267), (27, 718089), (59, 328617), (81, 239363), (177, 109539), (531, 36513), (1593, 12171), (4057, 4779)]