18770320

素因数分解:

$2^4\times 5^1\times {\mathrm{234629}}^1$

素因数の和:234642

約数の個数: 20

約数和(自身を含む): 43641180

約数和(自身を除く): 24870860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234629, 469258, 938516, 1173145, 1877032, 2346290, 3754064, 4692580, 9385160, 18770320]

約数ペア:

[(1, 18770320), (2, 9385160), (4, 4692580), (5, 3754064), (8, 2346290), (10, 1877032), (16, 1173145), (20, 938516), (40, 469258), (80, 234629)]