19218486

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 45144000

約数和(自身を除く): 25925514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 131, 147, 262, 294, 393, 499, 786, 917, 998, 1497, 1834, 2751, 2994, 3493, 5502, 6419, 6986, 10479, 12838, 19257, 20958, 24451, 38514, 48902, 65369, 73353, 130738, 146706, 196107, 392214, 457583, 915166, 1372749, 2745498, 3203081, 6406162, 9609243, 19218486]

約数ペア:

[(1, 19218486), (2, 9609243), (3, 6406162), (6, 3203081), (7, 2745498), (14, 1372749), (21, 915166), (42, 457583), (49, 392214), (98, 196107), (131, 146706), (147, 130738), (262, 73353), (294, 65369), (393, 48902), (499, 38514), (786, 24451), (917, 20958), (998, 19257), (1497, 12838), (1834, 10479), (2751, 6986), (2994, 6419), (3493, 5502)]