19990064

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33767}}^1$

素因数の和:33812

約数の個数: 20

約数和(自身を含む): 39778704

約数和(自身を除く): 19788640

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33767, 67534, 135068, 270136, 540272, 1249379, 2498758, 4997516, 9995032, 19990064]

約数ペア:

[(1, 19990064), (2, 9995032), (4, 4997516), (8, 2498758), (16, 1249379), (37, 540272), (74, 270136), (148, 135068), (296, 67534), (592, 33767)]