19149780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24551}}^1$

素因数の和:24576

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 38596524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24551, 49102, 73653, 98204, 122755, 147306, 245510, 294612, 319163, 368265, 491020, 638326, 736530, 957489, 1276652, 1473060, 1595815, 1914978, 3191630, 3829956, 4787445, 6383260, 9574890, 19149780]

約数ペア:

[(1, 19149780), (2, 9574890), (3, 6383260), (4, 4787445), (5, 3829956), (6, 3191630), (10, 1914978), (12, 1595815), (13, 1473060), (15, 1276652), (20, 957489), (26, 736530), (30, 638326), (39, 491020), (52, 368265), (60, 319163), (65, 294612), (78, 245510), (130, 147306), (156, 122755), (195, 98204), (260, 73653), (390, 49102), (780, 24551)]