18967421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 21997440

約数和(自身を除く): 3030019

約数列:

[1, 11, 29, 37, 319, 407, 1073, 1607, 11803, 17677, 46603, 59459, 512633, 654049, 1724311, 18967421]

約数ペア:

[(1, 18967421), (11, 1724311), (29, 654049), (37, 512633), (319, 59459), (407, 46603), (1073, 17677), (1607, 11803)]