18794480

素因数分解:

$2^4\times 5^1\times {\mathrm{234931}}^1$

素因数の和:234944

約数の個数: 20

約数和(自身を含む): 43697352

約数和(自身を除く): 24902872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234931, 469862, 939724, 1174655, 1879448, 2349310, 3758896, 4698620, 9397240, 18794480]

約数ペア:

[(1, 18794480), (2, 9397240), (4, 4698620), (5, 3758896), (8, 2349310), (10, 1879448), (16, 1174655), (20, 939724), (40, 469862), (80, 234931)]