40405438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{2089}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 63954000

約数和(自身を除く): 23548562

約数列:

[1, 2, 19, 38, 509, 1018, 2089, 4178, 9671, 19342, 39691, 79382, 1063301, 2126602, 20202719, 40405438]

約数ペア:

[(1, 40405438), (2, 20202719), (19, 2126602), (38, 1063301), (509, 79382), (1018, 39691), (2089, 19342), (4178, 9671)]