19425237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 29973888

約数和(自身を除く): 10548651

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 353, 663, 1059, 1079, 1411, 3237, 4233, 4589, 6001, 13767, 18003, 18343, 29299, 55029, 78013, 87897, 234039, 380887, 498083, 1142661, 1494249, 6475079, 19425237]

約数ペア:

[(1, 19425237), (3, 6475079), (13, 1494249), (17, 1142661), (39, 498083), (51, 380887), (83, 234039), (221, 87897), (249, 78013), (353, 55029), (663, 29299), (1059, 18343), (1079, 18003), (1411, 13767), (3237, 6001), (4233, 4589)]