18380823

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3934

約数の個数: 16

約数和(自身を含む): 25762176

約数和(自身を除く): 7381353

約数列:

[1, 3, 37, 43, 111, 129, 1591, 3851, 4773, 11553, 142487, 165593, 427461, 496779, 6126941, 18380823]

約数ペア:

[(1, 18380823), (3, 6126941), (37, 496779), (43, 427461), (111, 165593), (129, 142487), (1591, 11553), (3851, 4773)]