18731034117

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67136323}}^1$

素因数の和:67136360

約数の個数: 12

約数和(自身を含む): 27928710784

約数和(自身を除く): 9197676667

約数列:

[1, 3, 9, 31, 93, 279, 67136323, 201408969, 604226907, 2081226013, 6243678039, 18731034117]

約数ペア:

[(1, 18731034117), (3, 6243678039), (9, 2081226013), (31, 604226907), (93, 201408969), (279, 67136323)]