18281774

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 33324480

約数和(自身を除く): 15042706

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 203, 259, 406, 518, 1073, 1217, 2146, 2434, 7511, 8519, 15022, 17038, 35293, 45029, 70586, 90058, 247051, 315203, 494102, 630406, 1305841, 2611682, 9140887, 18281774]

約数ペア:

[(1, 18281774), (2, 9140887), (7, 2611682), (14, 1305841), (29, 630406), (37, 494102), (58, 315203), (74, 247051), (203, 90058), (259, 70586), (406, 45029), (518, 35293), (1073, 17038), (1217, 15022), (2146, 8519), (2434, 7511)]