18889494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242173}}^1$

素因数の和:242191

約数の個数: 16

約数和(自身を含む): 40685232

約数和(自身を除く): 21795738

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242173, 484346, 726519, 1453038, 3148249, 6296498, 9444747, 18889494]

約数ペア:

[(1, 18889494), (2, 9444747), (3, 6296498), (6, 3148249), (13, 1453038), (26, 726519), (39, 484346), (78, 242173)]