19976715

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40357}}^1$

素因数の和:40379

約数の個数: 24

約数和(自身を含む): 37775088

約数和(自身を除く): 17798373

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40357, 121071, 201785, 363213, 443927, 605355, 1331781, 1816065, 2219635, 3995343, 6658905, 19976715]

約数ペア:

[(1, 19976715), (3, 6658905), (5, 3995343), (9, 2219635), (11, 1816065), (15, 1331781), (33, 605355), (45, 443927), (55, 363213), (99, 201785), (165, 121071), (495, 40357)]