19801458

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{57899}}^1$

素因数の和:57926

約数の個数: 24

約数和(自身を含む): 45162000

約数和(自身を除く): 25360542

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 57899, 115798, 173697, 347394, 521091, 1042182, 1100081, 2200162, 3300243, 6600486, 9900729, 19801458]

約数ペア:

[(1, 19801458), (2, 9900729), (3, 6600486), (6, 3300243), (9, 2200162), (18, 1100081), (19, 1042182), (38, 521091), (57, 347394), (114, 173697), (171, 115798), (342, 57899)]