18886461

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{907}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 27545088

約数和(自身を除く): 8658627

約数列:

[1, 3, 11, 33, 631, 907, 1893, 2721, 6941, 9977, 20823, 29931, 572317, 1716951, 6295487, 18886461]

約数ペア:

[(1, 18886461), (3, 6295487), (11, 1716951), (33, 572317), (631, 29931), (907, 20823), (1893, 9977), (2721, 6941)]