1819220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6997}}^1$

素因数の和:7019

約数の個数: 24

約数和(自身を含む): 4114824

約数和(自身を除く): 2295604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6997, 13994, 27988, 34985, 69970, 90961, 139940, 181922, 363844, 454805, 909610, 1819220]

約数ペア:

[(1, 1819220), (2, 909610), (4, 454805), (5, 363844), (10, 181922), (13, 139940), (20, 90961), (26, 69970), (52, 34985), (65, 27988), (130, 13994), (260, 6997)]