18219864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2539}}^1$

素因数の和:2584

約数の個数: 64

約数和(自身を含む): 51206400

約数和(自身を除く): 32986536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2539, 3588, 5078, 7176, 7617, 10156, 15234, 20312, 30468, 33007, 58397, 60936, 66014, 99021, 116794, 132028, 175191, 198042, 233588, 264056, 350382, 396084, 467176, 700764, 759161, 792168, 1401528, 1518322, 2277483, 3036644, 4554966, 6073288, 9109932, 18219864]

約数ペア:

[(1, 18219864), (2, 9109932), (3, 6073288), (4, 4554966), (6, 3036644), (8, 2277483), (12, 1518322), (13, 1401528), (23, 792168), (24, 759161), (26, 700764), (39, 467176), (46, 396084), (52, 350382), (69, 264056), (78, 233588), (92, 198042), (104, 175191), (138, 132028), (156, 116794), (184, 99021), (276, 66014), (299, 60936), (312, 58397), (552, 33007), (598, 30468), (897, 20312), (1196, 15234), (1794, 10156), (2392, 7617), (2539, 7176), (3588, 5078)]