19808830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 37856160

約数和(自身を除く): 18047330

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 761, 1370, 1522, 2603, 3805, 5206, 7610, 13015, 14459, 26030, 28918, 72295, 104257, 144590, 208514, 521285, 1042570, 1980883, 3961766, 9904415, 19808830]

約数ペア:

[(1, 19808830), (2, 9904415), (5, 3961766), (10, 1980883), (19, 1042570), (38, 521285), (95, 208514), (137, 144590), (190, 104257), (274, 72295), (685, 28918), (761, 26030), (1370, 14459), (1522, 13015), (2603, 7610), (3805, 5206)]