19497753

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 32292480

約数和(自身を除く): 12794727

約数列:

[1, 3, 9, 11, 27, 33, 79, 81, 99, 237, 277, 297, 711, 831, 869, 891, 2133, 2493, 2607, 3047, 6399, 7479, 7821, 9141, 21883, 22437, 23463, 27423, 65649, 70389, 82269, 196947, 240713, 246807, 590841, 722139, 1772523, 2166417, 6499251, 19497753]

約数ペア:

[(1, 19497753), (3, 6499251), (9, 2166417), (11, 1772523), (27, 722139), (33, 590841), (79, 246807), (81, 240713), (99, 196947), (237, 82269), (277, 70389), (297, 65649), (711, 27423), (831, 23463), (869, 22437), (891, 21883), (2133, 9141), (2493, 7821), (2607, 7479), (3047, 6399)]