18448567209

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2211263}}^1$

素因数の和:2211378

約数の個数: 20

約数和(自身を含む): 27826546176

約数和(自身を除く): 9377978967

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 2211263, 6633789, 19901367, 59704101, 179112303, 227760089, 683280267, 2049840801, 6149522403, 18448567209]

約数ペア:

[(1, 18448567209), (3, 6149522403), (9, 2049840801), (27, 683280267), (81, 227760089), (103, 179112303), (309, 59704101), (927, 19901367), (2781, 6633789), (8343, 2211263)]