19932705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2621}}^1$

素因数の和:2658

約数の個数: 36

約数和(自身を含む): 37426428

約数和(自身を除く): 17493723

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 2621, 7605, 7863, 13105, 23589, 34073, 39315, 102219, 117945, 170365, 306657, 442949, 511095, 1328847, 1533285, 2214745, 3986541, 6644235, 19932705]

約数ペア:

[(1, 19932705), (3, 6644235), (5, 3986541), (9, 2214745), (13, 1533285), (15, 1328847), (39, 511095), (45, 442949), (65, 306657), (117, 170365), (169, 117945), (195, 102219), (507, 39315), (585, 34073), (845, 23589), (1521, 13105), (2535, 7863), (2621, 7605)]