19357826

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 31477248

約数和(自身を除く): 12119422

約数列:

[1, 2, 31, 43, 53, 62, 86, 106, 137, 274, 1333, 1643, 2279, 2666, 3286, 4247, 4558, 5891, 7261, 8494, 11782, 14522, 70649, 141298, 182621, 225091, 312223, 365242, 450182, 624446, 9678913, 19357826]

約数ペア:

[(1, 19357826), (2, 9678913), (31, 624446), (43, 450182), (53, 365242), (62, 312223), (86, 225091), (106, 182621), (137, 141298), (274, 70649), (1333, 14522), (1643, 11782), (2279, 8494), (2666, 7261), (3286, 5891), (4247, 4558)]