31191578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 54535680

約数和(自身を除く): 23344102

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 781, 1051, 1349, 1562, 2102, 2698, 11561, 14839, 19969, 23122, 29678, 39938, 74621, 149242, 219659, 439318, 820831, 1417799, 1641662, 2835598, 15595789, 31191578]

約数ペア:

[(1, 31191578), (2, 15595789), (11, 2835598), (19, 1641662), (22, 1417799), (38, 820831), (71, 439318), (142, 219659), (209, 149242), (418, 74621), (781, 39938), (1051, 29678), (1349, 23122), (1562, 19969), (2102, 14839), (2698, 11561)]