18697648

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2243}}^1$

素因数の和:2772

約数の個数: 20

約数和(自身を含む): 36312408

約数和(自身を除く): 17614760

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2243, 4168, 4486, 8336, 8972, 17944, 35888, 1168603, 2337206, 4674412, 9348824, 18697648]

約数ペア:

[(1, 18697648), (2, 9348824), (4, 4674412), (8, 2337206), (16, 1168603), (521, 35888), (1042, 17944), (2084, 8972), (2243, 8336), (4168, 4486)]