20181998619

素因数分解:

$3^2\times {\mathrm{251}}^1\times {\mathrm{421}}^1\times {\mathrm{21221}}^1$

素因数の和:21899

約数の個数: 24

約数和(自身を含む): 29338820784

約数和(自身を除く): 9156822165

約数列:

[1, 3, 9, 251, 421, 753, 1263, 2259, 3789, 21221, 63663, 105671, 190989, 317013, 951039, 5326471, 8934041, 15979413, 26802123, 47938239, 80406369, 2242444291, 6727332873, 20181998619]

約数ペア:

[(1, 20181998619), (3, 6727332873), (9, 2242444291), (251, 80406369), (421, 47938239), (753, 26802123), (1263, 15979413), (2259, 8934041), (3789, 5326471), (21221, 951039), (63663, 317013), (105671, 190989)]