19976628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1459}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 53634560

約数和(自身を除く): 33657932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 163, 326, 489, 652, 978, 1141, 1459, 1956, 2282, 2918, 3423, 4377, 4564, 5836, 6846, 8754, 10213, 13692, 17508, 20426, 30639, 40852, 61278, 122556, 237817, 475634, 713451, 951268, 1426902, 1664719, 2853804, 3329438, 4994157, 6658876, 9988314, 19976628]

約数ペア:

[(1, 19976628), (2, 9988314), (3, 6658876), (4, 4994157), (6, 3329438), (7, 2853804), (12, 1664719), (14, 1426902), (21, 951268), (28, 713451), (42, 475634), (84, 237817), (163, 122556), (326, 61278), (489, 40852), (652, 30639), (978, 20426), (1141, 17508), (1459, 13692), (1956, 10213), (2282, 8754), (2918, 6846), (3423, 5836), (4377, 4564)]