18787980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313133}}^1$

素因数の和:313145

約数の個数: 24

約数和(自身を含む): 52606512

約数和(自身を除く): 33818532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313133, 626266, 939399, 1252532, 1565665, 1878798, 3131330, 3757596, 4696995, 6262660, 9393990, 18787980]

約数ペア:

[(1, 18787980), (2, 9393990), (3, 6262660), (4, 4696995), (5, 3757596), (6, 3131330), (10, 1878798), (12, 1565665), (15, 1252532), (20, 939399), (30, 626266), (60, 313133)]