19415140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23677}}^1$

素因数の和:23727

約数の個数: 24

約数和(自身を含む): 41767992

約数和(自身を除く): 22352852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23677, 47354, 94708, 118385, 236770, 473540, 970757, 1941514, 3883028, 4853785, 9707570, 19415140]

約数ペア:

[(1, 19415140), (2, 9707570), (4, 4853785), (5, 3883028), (10, 1941514), (20, 970757), (41, 473540), (82, 236770), (164, 118385), (205, 94708), (410, 47354), (820, 23677)]