19438757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 21636720

約数和(自身を除く): 2197963

約数列:

[1, 13, 53, 89, 317, 689, 1157, 4121, 4717, 16801, 28213, 61321, 218413, 366769, 1495289, 19438757]

約数ペア:

[(1, 19438757), (13, 1495289), (53, 366769), (89, 218413), (317, 61321), (689, 28213), (1157, 16801), (4121, 4717)]