18733517

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 21302784

約数和(自身を除く): 2569267

約数列:

[1, 11, 31, 137, 341, 401, 1507, 4247, 4411, 12431, 46717, 54937, 136741, 604307, 1703047, 18733517]

約数ペア:

[(1, 18733517), (11, 1703047), (31, 604307), (137, 136741), (341, 54937), (401, 46717), (1507, 12431), (4247, 4411)]