19208780

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2617}}^1$

素因数の和:2993

約数の個数: 24

約数和(自身を含む): 40463808

約数和(自身を除く): 21255028

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2617, 3670, 5234, 7340, 10468, 13085, 26170, 52340, 960439, 1920878, 3841756, 4802195, 9604390, 19208780]

約数ペア:

[(1, 19208780), (2, 9604390), (4, 4802195), (5, 3841756), (10, 1920878), (20, 960439), (367, 52340), (734, 26170), (1468, 13085), (1835, 10468), (2617, 7340), (3670, 5234)]