18829265

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1427}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 9959215

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1427, 1885, 2639, 7135, 9989, 13195, 18551, 41383, 49945, 92755, 129857, 206915, 289681, 537979, 649285, 1448405, 2689895, 3765853, 18829265]

約数ペア:

[(1, 18829265), (5, 3765853), (7, 2689895), (13, 1448405), (29, 649285), (35, 537979), (65, 289681), (91, 206915), (145, 129857), (203, 92755), (377, 49945), (455, 41383), (1015, 18551), (1427, 13195), (1885, 9989), (2639, 7135)]