18783920

素因数分解:

$2^4\times 5^1\times {\mathrm{234799}}^1$

素因数の和:234812

約数の個数: 20

約数和(自身を含む): 43672800

約数和(自身を除く): 24888880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234799, 469598, 939196, 1173995, 1878392, 2347990, 3756784, 4695980, 9391960, 18783920]

約数ペア:

[(1, 18783920), (2, 9391960), (4, 4695980), (5, 3756784), (8, 2347990), (10, 1878392), (16, 1173995), (20, 939196), (40, 469598), (80, 234799)]