19553140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11779}}^1$

素因数の和:11871

約数の個数: 24

約数和(自身を含む): 41559840

約数和(自身を除く): 22006700

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11779, 23558, 47116, 58895, 117790, 235580, 977657, 1955314, 3910628, 4888285, 9776570, 19553140]

約数ペア:

[(1, 19553140), (2, 9776570), (4, 4888285), (5, 3910628), (10, 1955314), (20, 977657), (83, 235580), (166, 117790), (332, 58895), (415, 47116), (830, 23558), (1660, 11779)]