19402605

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 34859520

約数和(自身を除く): 15456915

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1423, 1515, 2727, 4269, 4545, 7115, 12807, 13635, 21345, 38421, 64035, 143723, 192105, 431169, 718615, 1293507, 2155845, 3880521, 6467535, 19402605]

約数ペア:

[(1, 19402605), (3, 6467535), (5, 3880521), (9, 2155845), (15, 1293507), (27, 718615), (45, 431169), (101, 192105), (135, 143723), (303, 64035), (505, 38421), (909, 21345), (1423, 13635), (1515, 12807), (2727, 7115), (4269, 4545)]