18928250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6883}}^1$

素因数の和:6911

約数の個数: 32

約数和(自身を含む): 38660544

約数和(自身を除く): 19732294

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 6883, 13766, 34415, 68830, 75713, 151426, 172075, 344150, 378565, 757130, 860375, 1720750, 1892825, 3785650, 9464125, 18928250]

約数ペア:

[(1, 18928250), (2, 9464125), (5, 3785650), (10, 1892825), (11, 1720750), (22, 860375), (25, 757130), (50, 378565), (55, 344150), (110, 172075), (125, 151426), (250, 75713), (275, 68830), (550, 34415), (1375, 13766), (2750, 6883)]