18885412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 41050240

約数和(自身を除く): 22164828

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 307, 338, 364, 614, 676, 1183, 1228, 2149, 2197, 2366, 3991, 4298, 4394, 4732, 7982, 8596, 8788, 15379, 15964, 27937, 30758, 51883, 55874, 61516, 103766, 111748, 207532, 363181, 674479, 726362, 1348958, 1452724, 2697916, 4721353, 9442706, 18885412]

約数ペア:

[(1, 18885412), (2, 9442706), (4, 4721353), (7, 2697916), (13, 1452724), (14, 1348958), (26, 726362), (28, 674479), (52, 363181), (91, 207532), (169, 111748), (182, 103766), (307, 61516), (338, 55874), (364, 51883), (614, 30758), (676, 27937), (1183, 15964), (1228, 15379), (2149, 8788), (2197, 8596), (2366, 7982), (3991, 4732), (4298, 4394)]