18634490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{523}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 38482560

約数和(自身を除く): 19848070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 523, 1018, 1046, 2545, 2615, 3563, 3661, 5090, 5230, 7126, 7322, 17815, 18305, 35630, 36610, 266207, 532414, 1331035, 1863449, 2662070, 3726898, 9317245, 18634490]

約数ペア:

[(1, 18634490), (2, 9317245), (5, 3726898), (7, 2662070), (10, 1863449), (14, 1331035), (35, 532414), (70, 266207), (509, 36610), (523, 35630), (1018, 18305), (1046, 17815), (2545, 7322), (2615, 7126), (3563, 5230), (3661, 5090)]