19168120

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1531}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 43294320

約数和(自身を除く): 24126200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1531, 1565, 2504, 3062, 3130, 6124, 6260, 7655, 12248, 12520, 15310, 30620, 61240, 479203, 958406, 1916812, 2396015, 3833624, 4792030, 9584060, 19168120]

約数ペア:

[(1, 19168120), (2, 9584060), (4, 4792030), (5, 3833624), (8, 2396015), (10, 1916812), (20, 958406), (40, 479203), (313, 61240), (626, 30620), (1252, 15310), (1531, 12520), (1565, 12248), (2504, 7655), (3062, 6260), (3130, 6124)]