19440612

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 52363584

約数和(自身を除く): 32922972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 443, 477, 636, 828, 886, 954, 1219, 1329, 1772, 1908, 2438, 2658, 3657, 3987, 4876, 5316, 7314, 7974, 10189, 10971, 14628, 15948, 20378, 21942, 23479, 30567, 40756, 43884, 46958, 61134, 70437, 91701, 93916, 122268, 140874, 183402, 211311, 281748, 366804, 422622, 540017, 845244, 1080034, 1620051, 2160068, 3240102, 4860153, 6480204, 9720306, 19440612]

約数ペア:

[(1, 19440612), (2, 9720306), (3, 6480204), (4, 4860153), (6, 3240102), (9, 2160068), (12, 1620051), (18, 1080034), (23, 845244), (36, 540017), (46, 422622), (53, 366804), (69, 281748), (92, 211311), (106, 183402), (138, 140874), (159, 122268), (207, 93916), (212, 91701), (276, 70437), (318, 61134), (414, 46958), (443, 43884), (477, 40756), (636, 30567), (828, 23479), (886, 21942), (954, 20378), (1219, 15948), (1329, 14628), (1772, 10971), (1908, 10189), (2438, 7974), (2658, 7314), (3657, 5316), (3987, 4876)]