19855155

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4229}}^1$

素因数の和:4550

約数の個数: 16

約数和(自身を含む): 31877280

約数和(自身を除く): 12022125

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4229, 4695, 12687, 21145, 63435, 1323677, 3971031, 6618385, 19855155]

約数ペア:

[(1, 19855155), (3, 6618385), (5, 3971031), (15, 1323677), (313, 63435), (939, 21145), (1565, 12687), (4229, 4695)]