18471902

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:643

約数の個数: 16

約数和(自身を含む): 28112832

約数和(自身を除く): 9640930

約数列:

[1, 2, 173, 197, 271, 346, 394, 542, 34081, 46883, 53387, 68162, 93766, 106774, 9235951, 18471902]

約数ペア:

[(1, 18471902), (2, 9235951), (173, 106774), (197, 93766), (271, 68162), (346, 53387), (394, 46883), (542, 34081)]