18846838

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 29176704

約数和(自身を除く): 10329866

約数列:

[1, 2, 37, 74, 257, 514, 991, 1982, 9509, 19018, 36667, 73334, 254687, 509374, 9423419, 18846838]

約数ペア:

[(1, 18846838), (2, 9423419), (37, 509374), (74, 254687), (257, 73334), (514, 36667), (991, 19018), (1982, 9509)]