2018219780

素因数分解:

$2^2\times 5^1\times {\mathrm{13913}}^1\times {\mathrm{7253}}^1$

素因数の和:21175

約数の個数: 24

約数和(自身を含む): 4239150552

約数和(自身を除く): 2220930772

約数列:

[1, 2, 4, 5, 10, 20, 7253, 13913, 14506, 27826, 29012, 36265, 55652, 69565, 72530, 139130, 145060, 278260, 100910989, 201821978, 403643956, 504554945, 1009109890, 2018219780]

約数ペア:

[(1, 2018219780), (2, 1009109890), (4, 504554945), (5, 403643956), (10, 201821978), (20, 100910989), (7253, 278260), (13913, 145060), (14506, 139130), (27826, 72530), (29012, 69565), (36265, 55652)]