18279020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22363540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 503, 790, 1006, 1580, 1817, 2012, 2515, 3634, 5030, 7268, 9085, 10060, 11569, 18170, 23138, 36340, 39737, 46276, 57845, 79474, 115690, 158948, 198685, 231380, 397370, 794740, 913951, 1827902, 3655804, 4569755, 9139510, 18279020]

約数ペア:

[(1, 18279020), (2, 9139510), (4, 4569755), (5, 3655804), (10, 1827902), (20, 913951), (23, 794740), (46, 397370), (79, 231380), (92, 198685), (115, 158948), (158, 115690), (230, 79474), (316, 57845), (395, 46276), (460, 39737), (503, 36340), (790, 23138), (1006, 18170), (1580, 11569), (1817, 10060), (2012, 9085), (2515, 7268), (3634, 5030)]