18486320

素因数分解:

$2^4\times 5^1\times {\mathrm{231079}}^1$

素因数の和:231092

約数の個数: 20

約数和(自身を含む): 42980880

約数和(自身を除く): 24494560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231079, 462158, 924316, 1155395, 1848632, 2310790, 3697264, 4621580, 9243160, 18486320]

約数ペア:

[(1, 18486320), (2, 9243160), (4, 4621580), (5, 3697264), (8, 2310790), (10, 1848632), (16, 1155395), (20, 924316), (40, 462158), (80, 231079)]