19897758

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2473}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 44532000

約数和(自身を除く): 24634242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2473, 2682, 4023, 4946, 7419, 8046, 14838, 22257, 44514, 66771, 133542, 368477, 736954, 1105431, 2210862, 3316293, 6632586, 9948879, 19897758]

約数ペア:

[(1, 19897758), (2, 9948879), (3, 6632586), (6, 3316293), (9, 2210862), (18, 1105431), (27, 736954), (54, 368477), (149, 133542), (298, 66771), (447, 44514), (894, 22257), (1341, 14838), (2473, 8046), (2682, 7419), (4023, 4946)]