18657288

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 56259840

約数和(自身を除く): 37602552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 643, 744, 806, 936, 1116, 1209, 1286, 1612, 1929, 2232, 2418, 2572, 3224, 3627, 3858, 4836, 5144, 5787, 7254, 7716, 8359, 9672, 11574, 14508, 15432, 16718, 19933, 23148, 25077, 29016, 33436, 39866, 46296, 50154, 59799, 66872, 75231, 79732, 100308, 119598, 150462, 159464, 179397, 200616, 239196, 259129, 300924, 358794, 478392, 518258, 601848, 717588, 777387, 1036516, 1435176, 1554774, 2073032, 2332161, 3109548, 4664322, 6219096, 9328644, 18657288]

約数ペア:

[(1, 18657288), (2, 9328644), (3, 6219096), (4, 4664322), (6, 3109548), (8, 2332161), (9, 2073032), (12, 1554774), (13, 1435176), (18, 1036516), (24, 777387), (26, 717588), (31, 601848), (36, 518258), (39, 478392), (52, 358794), (62, 300924), (72, 259129), (78, 239196), (93, 200616), (104, 179397), (117, 159464), (124, 150462), (156, 119598), (186, 100308), (234, 79732), (248, 75231), (279, 66872), (312, 59799), (372, 50154), (403, 46296), (468, 39866), (558, 33436), (643, 29016), (744, 25077), (806, 23148), (936, 19933), (1116, 16718), (1209, 15432), (1286, 14508), (1612, 11574), (1929, 9672), (2232, 8359), (2418, 7716), (2572, 7254), (3224, 5787), (3627, 5144), (3858, 4836)]