19054480

素因数分解:

$2^4\times 5^1\times {\mathrm{238181}}^1$

素因数の和:238194

約数の個数: 20

約数和(自身を含む): 44301852

約数和(自身を除く): 25247372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238181, 476362, 952724, 1190905, 1905448, 2381810, 3810896, 4763620, 9527240, 19054480]

約数ペア:

[(1, 19054480), (2, 9527240), (4, 4763620), (5, 3810896), (8, 2381810), (10, 1905448), (16, 1190905), (20, 952724), (40, 476362), (80, 238181)]