18666320

素因数分解:

$2^4\times 5^1\times {\mathrm{233329}}^1$

素因数の和:233342

約数の個数: 20

約数和(自身を含む): 43399380

約数和(自身を除く): 24733060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233329, 466658, 933316, 1166645, 1866632, 2333290, 3733264, 4666580, 9333160, 18666320]

約数ペア:

[(1, 18666320), (2, 9333160), (4, 4666580), (5, 3733264), (8, 2333290), (10, 1866632), (16, 1166645), (20, 933316), (40, 466658), (80, 233329)]