19865202

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1979}}^1$

素因数の和:2230

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 25753998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 239, 478, 717, 1434, 1673, 1979, 3346, 3958, 5019, 5937, 10038, 11874, 13853, 27706, 41559, 83118, 472981, 945962, 1418943, 2837886, 3310867, 6621734, 9932601, 19865202]

約数ペア:

[(1, 19865202), (2, 9932601), (3, 6621734), (6, 3310867), (7, 2837886), (14, 1418943), (21, 945962), (42, 472981), (239, 83118), (478, 41559), (717, 27706), (1434, 13853), (1673, 11874), (1979, 10038), (3346, 5937), (3958, 5019)]