18038040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{787}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 54466560

約数和(自身を除く): 36428520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 787, 955, 1146, 1528, 1574, 1910, 2292, 2361, 2865, 3148, 3820, 3935, 4584, 4722, 5730, 6296, 7640, 7870, 9444, 11460, 11805, 15740, 18888, 22920, 23610, 31480, 47220, 94440, 150317, 300634, 450951, 601268, 751585, 901902, 1202536, 1503170, 1803804, 2254755, 3006340, 3607608, 4509510, 6012680, 9019020, 18038040]

約数ペア:

[(1, 18038040), (2, 9019020), (3, 6012680), (4, 4509510), (5, 3607608), (6, 3006340), (8, 2254755), (10, 1803804), (12, 1503170), (15, 1202536), (20, 901902), (24, 751585), (30, 601268), (40, 450951), (60, 300634), (120, 150317), (191, 94440), (382, 47220), (573, 31480), (764, 23610), (787, 22920), (955, 18888), (1146, 15740), (1528, 11805), (1574, 11460), (1910, 9444), (2292, 7870), (2361, 7640), (2865, 6296), (3148, 5730), (3820, 4722), (3935, 4584)]