19886280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165719}}^1$

素因数の和:165733

約数の個数: 32

約数和(自身を含む): 59659200

約数和(自身を除く): 39772920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165719, 331438, 497157, 662876, 828595, 994314, 1325752, 1657190, 1988628, 2485785, 3314380, 3977256, 4971570, 6628760, 9943140, 19886280]

約数ペア:

[(1, 19886280), (2, 9943140), (3, 6628760), (4, 4971570), (5, 3977256), (6, 3314380), (8, 2485785), (10, 1988628), (12, 1657190), (15, 1325752), (20, 994314), (24, 828595), (30, 662876), (40, 497157), (60, 331438), (120, 165719)]