2018281420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{227797}}^1$

素因数の和:228249

約数の個数: 24

約数和(自身を含む): 4247977104

約数和(自身を除く): 2229695684

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 227797, 455594, 911188, 1138985, 2277970, 4555940, 100914071, 201828142, 403656284, 504570355, 1009140710, 2018281420]

約数ペア:

[(1, 2018281420), (2, 1009140710), (4, 504570355), (5, 403656284), (10, 201828142), (20, 100914071), (443, 4555940), (886, 2277970), (1772, 1138985), (2215, 911188), (4430, 455594), (8860, 227797)]