19313060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1259}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 25139740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1259, 1534, 2518, 3068, 3835, 5036, 6295, 7670, 12590, 15340, 16367, 25180, 32734, 65468, 74281, 81835, 148562, 163670, 297124, 327340, 371405, 742810, 965653, 1485620, 1931306, 3862612, 4828265, 9656530, 19313060]

約数ペア:

[(1, 19313060), (2, 9656530), (4, 4828265), (5, 3862612), (10, 1931306), (13, 1485620), (20, 965653), (26, 742810), (52, 371405), (59, 327340), (65, 297124), (118, 163670), (130, 148562), (236, 81835), (260, 74281), (295, 65468), (590, 32734), (767, 25180), (1180, 16367), (1259, 15340), (1534, 12590), (2518, 7670), (3068, 6295), (3835, 5036)]