18390550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8971}}^1$

素因数の和:9024

約数の個数: 24

約数和(自身を含む): 35044632

約数和(自身を除く): 16654082

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 8971, 17942, 44855, 89710, 224275, 367811, 448550, 735622, 1839055, 3678110, 9195275, 18390550]

約数ペア:

[(1, 18390550), (2, 9195275), (5, 3678110), (10, 1839055), (25, 735622), (41, 448550), (50, 367811), (82, 224275), (205, 89710), (410, 44855), (1025, 17942), (2050, 8971)]