18480220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 24194468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 503, 668, 835, 1006, 1670, 1837, 2012, 2515, 3340, 3674, 5030, 5533, 7348, 9185, 10060, 11066, 18370, 22132, 27665, 36740, 55330, 84001, 110660, 168002, 336004, 420005, 840010, 924011, 1680020, 1848022, 3696044, 4620055, 9240110, 18480220]

約数ペア:

[(1, 18480220), (2, 9240110), (4, 4620055), (5, 3696044), (10, 1848022), (11, 1680020), (20, 924011), (22, 840010), (44, 420005), (55, 336004), (110, 168002), (167, 110660), (220, 84001), (334, 55330), (503, 36740), (668, 27665), (835, 22132), (1006, 18370), (1670, 11066), (1837, 10060), (2012, 9185), (2515, 7348), (3340, 5533), (3674, 5030)]