19444428

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 33777972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 53, 54, 79, 86, 106, 108, 129, 158, 159, 172, 212, 237, 258, 316, 318, 387, 474, 477, 516, 636, 711, 774, 948, 954, 1161, 1422, 1431, 1548, 1908, 2133, 2279, 2322, 2844, 2862, 3397, 4187, 4266, 4558, 4644, 5724, 6794, 6837, 8374, 8532, 9116, 10191, 12561, 13588, 13674, 16748, 20382, 20511, 25122, 27348, 30573, 37683, 40764, 41022, 50244, 61146, 61533, 75366, 82044, 91719, 113049, 122292, 123066, 150732, 180041, 183438, 226098, 246132, 360082, 366876, 452196, 540123, 720164, 1080246, 1620369, 2160492, 3240738, 4861107, 6481476, 9722214, 19444428]

約数ペア:

[(1, 19444428), (2, 9722214), (3, 6481476), (4, 4861107), (6, 3240738), (9, 2160492), (12, 1620369), (18, 1080246), (27, 720164), (36, 540123), (43, 452196), (53, 366876), (54, 360082), (79, 246132), (86, 226098), (106, 183438), (108, 180041), (129, 150732), (158, 123066), (159, 122292), (172, 113049), (212, 91719), (237, 82044), (258, 75366), (316, 61533), (318, 61146), (387, 50244), (474, 41022), (477, 40764), (516, 37683), (636, 30573), (711, 27348), (774, 25122), (948, 20511), (954, 20382), (1161, 16748), (1422, 13674), (1431, 13588), (1548, 12561), (1908, 10191), (2133, 9116), (2279, 8532), (2322, 8374), (2844, 6837), (2862, 6794), (3397, 5724), (4187, 4644), (4266, 4558)]