19975212

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{2423}}^1$

素因数の和:2662

約数の個数: 36

約数和(自身を含む): 50734320

約数和(自身を除く): 30759108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2423, 2748, 4122, 4846, 7269, 8244, 9692, 14538, 21807, 29076, 43614, 87228, 554867, 1109734, 1664601, 2219468, 3329202, 4993803, 6658404, 9987606, 19975212]

約数ペア:

[(1, 19975212), (2, 9987606), (3, 6658404), (4, 4993803), (6, 3329202), (9, 2219468), (12, 1664601), (18, 1109734), (36, 554867), (229, 87228), (458, 43614), (687, 29076), (916, 21807), (1374, 14538), (2061, 9692), (2423, 8244), (2748, 7269), (4122, 4846)]