19828860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{587}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 55714176

約数和(自身を除く): 35885316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 563, 587, 1126, 1174, 1689, 1761, 2252, 2348, 2815, 2935, 3378, 3522, 5630, 5870, 6756, 7044, 8445, 8805, 11260, 11740, 16890, 17610, 33780, 35220, 330481, 660962, 991443, 1321924, 1652405, 1982886, 3304810, 3965772, 4957215, 6609620, 9914430, 19828860]

約数ペア:

[(1, 19828860), (2, 9914430), (3, 6609620), (4, 4957215), (5, 3965772), (6, 3304810), (10, 1982886), (12, 1652405), (15, 1321924), (20, 991443), (30, 660962), (60, 330481), (563, 35220), (587, 33780), (1126, 17610), (1174, 16890), (1689, 11740), (1761, 11260), (2252, 8805), (2348, 8445), (2815, 7044), (2935, 6756), (3378, 5870), (3522, 5630)]