19558708

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28933}}^1$

素因数の和:28963

約数の個数: 18

約数和(自身を含む): 37064454

約数和(自身を除く): 17505746

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28933, 57866, 115732, 376129, 752258, 1504516, 4889677, 9779354, 19558708]

約数ペア:

[(1, 19558708), (2, 9779354), (4, 4889677), (13, 1504516), (26, 752258), (52, 376129), (169, 115732), (338, 57866), (676, 28933)]