19915812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79031}}^1$

素因数の和:79048

約数の個数: 36

約数和(自身を含む): 57535296

約数和(自身を除く): 37619484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79031, 158062, 237093, 316124, 474186, 553217, 711279, 948372, 1106434, 1422558, 1659651, 2212868, 2845116, 3319302, 4978953, 6638604, 9957906, 19915812]

約数ペア:

[(1, 19915812), (2, 9957906), (3, 6638604), (4, 4978953), (6, 3319302), (7, 2845116), (9, 2212868), (12, 1659651), (14, 1422558), (18, 1106434), (21, 948372), (28, 711279), (36, 553217), (42, 474186), (63, 316124), (84, 237093), (126, 158062), (252, 79031)]