18588470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 16006090

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 311, 430, 622, 695, 1390, 1555, 3110, 5977, 11954, 13373, 26746, 29885, 43229, 59770, 66865, 86458, 133730, 216145, 432290, 1858847, 3717694, 9294235, 18588470]

約数ペア:

[(1, 18588470), (2, 9294235), (5, 3717694), (10, 1858847), (43, 432290), (86, 216145), (139, 133730), (215, 86458), (278, 66865), (311, 59770), (430, 43229), (622, 29885), (695, 26746), (1390, 13373), (1555, 11954), (3110, 5977)]