18899427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5531}}^1$

素因数の和:5618

約数の個数: 16

約数和(自身を含む): 27084672

約数和(自身を除く): 8185245

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5531, 16593, 94027, 282081, 370577, 1111731, 6299809, 18899427]

約数ペア:

[(1, 18899427), (3, 6299809), (17, 1111731), (51, 370577), (67, 282081), (201, 94027), (1139, 16593), (3417, 5531)]