18540978

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{42331}}^1$

素因数の和:42409

約数の個数: 16

約数和(自身を含む): 37590816

約数和(自身を除く): 19049838

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 42331, 84662, 126993, 253986, 3090163, 6180326, 9270489, 18540978]

約数ペア:

[(1, 18540978), (2, 9270489), (3, 6180326), (6, 3090163), (73, 253986), (146, 126993), (219, 84662), (438, 42331)]