19764105

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 13067895

約数列:

[1, 3, 5, 15, 37, 111, 149, 185, 239, 447, 555, 717, 745, 1195, 2235, 3585, 5513, 8843, 16539, 26529, 27565, 35611, 44215, 82695, 106833, 132645, 178055, 534165, 1317607, 3952821, 6588035, 19764105]

約数ペア:

[(1, 19764105), (3, 6588035), (5, 3952821), (15, 1317607), (37, 534165), (111, 178055), (149, 132645), (185, 106833), (239, 82695), (447, 44215), (555, 35611), (717, 27565), (745, 26529), (1195, 16539), (2235, 8843), (3585, 5513)]