18944020

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3347}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 39934944

約数和(自身を除く): 20990924

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3347, 5660, 6694, 13388, 16735, 33470, 66940, 947201, 1894402, 3788804, 4736005, 9472010, 18944020]

約数ペア:

[(1, 18944020), (2, 9472010), (4, 4736005), (5, 3788804), (10, 1894402), (20, 947201), (283, 66940), (566, 33470), (1132, 16735), (1415, 13388), (2830, 6694), (3347, 5660)]