18722028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 48156416

約数和(自身を除く): 29434388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 2791, 3354, 5582, 6708, 8373, 11164, 16746, 33492, 36283, 72566, 108849, 120013, 145132, 217698, 240026, 360039, 435396, 480052, 720078, 1440156, 1560169, 3120338, 4680507, 6240676, 9361014, 18722028]

約数ペア:

[(1, 18722028), (2, 9361014), (3, 6240676), (4, 4680507), (6, 3120338), (12, 1560169), (13, 1440156), (26, 720078), (39, 480052), (43, 435396), (52, 360039), (78, 240026), (86, 217698), (129, 145132), (156, 120013), (172, 108849), (258, 72566), (516, 36283), (559, 33492), (1118, 16746), (1677, 11164), (2236, 8373), (2791, 6708), (3354, 5582)]