19069840

素因数分解:

$2^4\times 5^1\times {\mathrm{238373}}^1$

素因数の和:238386

約数の個数: 20

約数和(自身を含む): 44337564

約数和(自身を除く): 25267724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238373, 476746, 953492, 1191865, 1906984, 2383730, 3813968, 4767460, 9534920, 19069840]

約数ペア:

[(1, 19069840), (2, 9534920), (4, 4767460), (5, 3813968), (8, 2383730), (10, 1906984), (16, 1191865), (20, 953492), (40, 476746), (80, 238373)]