19851574

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1559

約数の個数: 16

約数和(自身を含む): 30583008

約数和(自身を除く): 10731434

約数列:

[1, 2, 53, 106, 137, 274, 1367, 2734, 7261, 14522, 72451, 144902, 187279, 374558, 9925787, 19851574]

約数ペア:

[(1, 19851574), (2, 9925787), (53, 374558), (106, 187279), (137, 144902), (274, 72451), (1367, 14522), (2734, 7261)]