18739220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32309}}^1$

素因数の和:32347

約数の個数: 24

約数和(自身を含む): 40710600

約数和(自身を除く): 21971380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32309, 64618, 129236, 161545, 323090, 646180, 936961, 1873922, 3747844, 4684805, 9369610, 18739220]

約数ペア:

[(1, 18739220), (2, 9369610), (4, 4684805), (5, 3747844), (10, 1873922), (20, 936961), (29, 646180), (58, 323090), (116, 161545), (145, 129236), (290, 64618), (580, 32309)]