18538416

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3301}}^1$

素因数の和:3331

約数の個数: 80

約数和(自身を含む): 57322720

約数和(自身を除く): 38784304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3301, 5616, 6602, 9903, 13204, 19806, 26408, 29709, 39612, 42913, 52816, 59418, 79224, 85826, 89127, 118836, 128739, 158448, 171652, 178254, 237672, 257478, 343304, 356508, 386217, 475344, 514956, 686608, 713016, 772434, 1029912, 1158651, 1426032, 1544868, 2059824, 2317302, 3089736, 4634604, 6179472, 9269208, 18538416]

約数ペア:

[(1, 18538416), (2, 9269208), (3, 6179472), (4, 4634604), (6, 3089736), (8, 2317302), (9, 2059824), (12, 1544868), (13, 1426032), (16, 1158651), (18, 1029912), (24, 772434), (26, 713016), (27, 686608), (36, 514956), (39, 475344), (48, 386217), (52, 356508), (54, 343304), (72, 257478), (78, 237672), (104, 178254), (108, 171652), (117, 158448), (144, 128739), (156, 118836), (208, 89127), (216, 85826), (234, 79224), (312, 59418), (351, 52816), (432, 42913), (468, 39612), (624, 29709), (702, 26408), (936, 19806), (1404, 13204), (1872, 9903), (2808, 6602), (3301, 5616)]