17955380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47251}}^1$

素因数の和:47279

約数の個数: 24

約数和(自身を含む): 39691680

約数和(自身を除く): 21736300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47251, 94502, 189004, 236255, 472510, 897769, 945020, 1795538, 3591076, 4488845, 8977690, 17955380]

約数ペア:

[(1, 17955380), (2, 8977690), (4, 4488845), (5, 3591076), (10, 1795538), (19, 945020), (20, 897769), (38, 472510), (76, 236255), (95, 189004), (190, 94502), (380, 47251)]