19263251

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 22587840

約数和(自身を除く): 3324589

約数列:

[1, 7, 61, 197, 229, 427, 1379, 1603, 12017, 13969, 45113, 84119, 97783, 315791, 2751893, 19263251]

約数ペア:

[(1, 19263251), (7, 2751893), (61, 315791), (197, 97783), (229, 84119), (427, 45113), (1379, 13969), (1603, 12017)]