19970522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69827}}^1$

素因数の和:69853

約数の個数: 16

約数和(自身を含む): 35193312

約数和(自身を除く): 15222790

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69827, 139654, 768097, 907751, 1536194, 1815502, 9985261, 19970522]

約数ペア:

[(1, 19970522), (2, 9985261), (11, 1815502), (13, 1536194), (22, 907751), (26, 768097), (143, 139654), (286, 69827)]