19935097

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 5869703

約数列:

[1, 7, 13, 47, 59, 79, 91, 329, 413, 553, 611, 767, 1027, 2773, 3713, 4277, 4661, 5369, 7189, 19411, 25991, 32627, 36049, 48269, 60593, 219067, 252343, 337883, 424151, 1533469, 2847871, 19935097]

約数ペア:

[(1, 19935097), (7, 2847871), (13, 1533469), (47, 424151), (59, 337883), (79, 252343), (91, 219067), (329, 60593), (413, 48269), (553, 36049), (611, 32627), (767, 25991), (1027, 19411), (2773, 7189), (3713, 5369), (4277, 4661)]