19772580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2099}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 55742400

約数和(自身を除く): 35969820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2099, 2355, 3140, 4198, 4710, 6297, 8396, 9420, 10495, 12594, 20990, 25188, 31485, 41980, 62970, 125940, 329543, 659086, 988629, 1318172, 1647715, 1977258, 3295430, 3954516, 4943145, 6590860, 9886290, 19772580]

約数ペア:

[(1, 19772580), (2, 9886290), (3, 6590860), (4, 4943145), (5, 3954516), (6, 3295430), (10, 1977258), (12, 1647715), (15, 1318172), (20, 988629), (30, 659086), (60, 329543), (157, 125940), (314, 62970), (471, 41980), (628, 31485), (785, 25188), (942, 20990), (1570, 12594), (1884, 10495), (2099, 9420), (2355, 8396), (3140, 6297), (4198, 4710)]