19898036

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{691}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 36504384

約数和(自身を除く): 16606348

約数列:

[1, 2, 4, 23, 46, 92, 313, 626, 691, 1252, 1382, 2764, 7199, 14398, 15893, 28796, 31786, 63572, 216283, 432566, 865132, 4974509, 9949018, 19898036]

約数ペア:

[(1, 19898036), (2, 9949018), (4, 4974509), (23, 865132), (46, 432566), (92, 216283), (313, 63572), (626, 31786), (691, 28796), (1252, 15893), (1382, 14398), (2764, 7199)]