18983405

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 27184896

約数和(自身を除く): 8201491

約数列:

[1, 5, 7, 35, 37, 107, 137, 185, 259, 535, 685, 749, 959, 1295, 3745, 3959, 4795, 5069, 14659, 19795, 25345, 27713, 35483, 73295, 102613, 138565, 177415, 513065, 542383, 2711915, 3796681, 18983405]

約数ペア:

[(1, 18983405), (5, 3796681), (7, 2711915), (35, 542383), (37, 513065), (107, 177415), (137, 138565), (185, 102613), (259, 73295), (535, 35483), (685, 27713), (749, 25345), (959, 19795), (1295, 14659), (3745, 5069), (3959, 4795)]