19532720

素因数分解:

$2^4\times 5^1\times {\mathrm{244159}}^1$

素因数の和:244172

約数の個数: 20

約数和(自身を含む): 45413760

約数和(自身を除く): 25881040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 244159, 488318, 976636, 1220795, 1953272, 2441590, 3906544, 4883180, 9766360, 19532720]

約数ペア:

[(1, 19532720), (2, 9766360), (4, 4883180), (5, 3906544), (8, 2441590), (10, 1953272), (16, 1220795), (20, 976636), (40, 488318), (80, 244159)]