18889600197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{111833}}^1$

素因数の和:111981

約数の個数: 32

約数和(自身を含む): 27956710656

約数和(自身を除く): 9067110459

約数列:

[1, 3, 13, 39, 61, 71, 183, 213, 793, 923, 2379, 2769, 4331, 12993, 56303, 111833, 168909, 335499, 1453829, 4361487, 6821813, 7940143, 20465439, 23820429, 88683569, 103221859, 266050707, 309665577, 484348723, 1453046169, 6296533399, 18889600197]

約数ペア:

[(1, 18889600197), (3, 6296533399), (13, 1453046169), (39, 484348723), (61, 309665577), (71, 266050707), (183, 103221859), (213, 88683569), (793, 23820429), (923, 20465439), (2379, 7940143), (2769, 6821813), (4331, 4361487), (12993, 1453829), (56303, 335499), (111833, 168909)]