19408473

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1289}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 32198400

約数和(自身を除く): 12789927

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1289, 1673, 2151, 3867, 5019, 9023, 11601, 15057, 27069, 81207, 308071, 924213, 2156497, 2772639, 6469491, 19408473]

約数ペア:

[(1, 19408473), (3, 6469491), (7, 2772639), (9, 2156497), (21, 924213), (63, 308071), (239, 81207), (717, 27069), (1289, 15057), (1673, 11601), (2151, 9023), (3867, 5019)]