18069245

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 22344960

約数和(自身を除く): 4275715

約数列:

[1, 5, 43, 215, 229, 367, 1145, 1835, 9847, 15781, 49235, 78905, 84043, 420215, 3613849, 18069245]

約数ペア:

[(1, 18069245), (5, 3613849), (43, 420215), (215, 84043), (229, 78905), (367, 49235), (1145, 15781), (1835, 9847)]