20183408464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{366811}}^1$

素因数の和:367019

約数の個数: 40

約数和(自身を含む): 41391066080

約数和(自身を除く): 21207657616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 304, 362, 724, 1448, 2896, 3439, 6878, 13756, 27512, 55024, 366811, 733622, 1467244, 2934488, 5868976, 6969409, 13938818, 27877636, 55755272, 66392791, 111510544, 132785582, 265571164, 531142328, 1062284656, 1261463029, 2522926058, 5045852116, 10091704232, 20183408464]

約数ペア:

[(1, 20183408464), (2, 10091704232), (4, 5045852116), (8, 2522926058), (16, 1261463029), (19, 1062284656), (38, 531142328), (76, 265571164), (152, 132785582), (181, 111510544), (304, 66392791), (362, 55755272), (724, 27877636), (1448, 13938818), (2896, 6969409), (3439, 5868976), (6878, 2934488), (13756, 1467244), (27512, 733622), (55024, 366811)]