18920120

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8017}}^1$

素因数の和:8087

約数の個数: 32

約数和(自身を含む): 43297200

約数和(自身を除く): 24377080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8017, 16034, 32068, 40085, 64136, 80170, 160340, 320680, 473003, 946006, 1892012, 2365015, 3784024, 4730030, 9460060, 18920120]

約数ペア:

[(1, 18920120), (2, 9460060), (4, 4730030), (5, 3784024), (8, 2365015), (10, 1892012), (20, 946006), (40, 473003), (59, 320680), (118, 160340), (236, 80170), (295, 64136), (472, 40085), (590, 32068), (1180, 16034), (2360, 8017)]