18838872

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{6709}}^1$

素因数の和:6737

約数の個数: 64

約数和(自身を含む): 56364000

約数和(自身を除く): 37525128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 6709, 13418, 20127, 26836, 40254, 53672, 60381, 80508, 87217, 120762, 161016, 174434, 181143, 241524, 261651, 348868, 362286, 483048, 523302, 697736, 724572, 784953, 1046604, 1449144, 1569906, 2093208, 2354859, 3139812, 4709718, 6279624, 9419436, 18838872]

約数ペア:

[(1, 18838872), (2, 9419436), (3, 6279624), (4, 4709718), (6, 3139812), (8, 2354859), (9, 2093208), (12, 1569906), (13, 1449144), (18, 1046604), (24, 784953), (26, 724572), (27, 697736), (36, 523302), (39, 483048), (52, 362286), (54, 348868), (72, 261651), (78, 241524), (104, 181143), (108, 174434), (117, 161016), (156, 120762), (216, 87217), (234, 80508), (312, 60381), (351, 53672), (468, 40254), (702, 26836), (936, 20127), (1404, 13418), (2808, 6709)]