19982630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 37787904

約数和(自身を除く): 17805274

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 283, 307, 566, 614, 1415, 1535, 2830, 3070, 6509, 7061, 13018, 14122, 32545, 35305, 65090, 70610, 86881, 173762, 434405, 868810, 1998263, 3996526, 9991315, 19982630]

約数ペア:

[(1, 19982630), (2, 9991315), (5, 3996526), (10, 1998263), (23, 868810), (46, 434405), (115, 173762), (230, 86881), (283, 70610), (307, 65090), (566, 35305), (614, 32545), (1415, 14122), (1535, 13018), (2830, 7061), (3070, 6509)]