18926649

素因数分解:

$3^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13329351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 239, 419, 717, 1257, 1673, 2151, 2933, 3771, 5019, 6453, 8799, 11313, 15057, 26397, 45171, 79191, 100141, 300423, 700987, 901269, 2102961, 2703807, 6308883, 18926649]

約数ペア:

[(1, 18926649), (3, 6308883), (7, 2703807), (9, 2102961), (21, 901269), (27, 700987), (63, 300423), (189, 100141), (239, 79191), (419, 45171), (717, 26397), (1257, 15057), (1673, 11313), (2151, 8799), (2933, 6453), (3771, 5019)]