19164420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9679}}^1$

素因数の和:9705

約数の個数: 72

約数和(自身を含む): 63423360

約数和(自身を除く): 44258940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9679, 19358, 29037, 38716, 48395, 58074, 87111, 96790, 106469, 116148, 145185, 174222, 193580, 212938, 290370, 319407, 348444, 425876, 435555, 532345, 580740, 638814, 871110, 958221, 1064690, 1277628, 1597035, 1742220, 1916442, 2129380, 3194070, 3832884, 4791105, 6388140, 9582210, 19164420]

約数ペア:

[(1, 19164420), (2, 9582210), (3, 6388140), (4, 4791105), (5, 3832884), (6, 3194070), (9, 2129380), (10, 1916442), (11, 1742220), (12, 1597035), (15, 1277628), (18, 1064690), (20, 958221), (22, 871110), (30, 638814), (33, 580740), (36, 532345), (44, 435555), (45, 425876), (55, 348444), (60, 319407), (66, 290370), (90, 212938), (99, 193580), (110, 174222), (132, 145185), (165, 116148), (180, 106469), (198, 96790), (220, 87111), (330, 58074), (396, 48395), (495, 38716), (660, 29037), (990, 19358), (1980, 9679)]