18193736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21463864

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 89, 92, 101, 178, 184, 202, 253, 356, 404, 506, 712, 808, 979, 1012, 1111, 1958, 2024, 2047, 2222, 2323, 3916, 4094, 4444, 4646, 7832, 8188, 8888, 8989, 9292, 16376, 17978, 18584, 22517, 25553, 35956, 45034, 51106, 71912, 90068, 98879, 102212, 180136, 197758, 204424, 206747, 395516, 413494, 791032, 826988, 1653976, 2274217, 4548434, 9096868, 18193736]

約数ペア:

[(1, 18193736), (2, 9096868), (4, 4548434), (8, 2274217), (11, 1653976), (22, 826988), (23, 791032), (44, 413494), (46, 395516), (88, 206747), (89, 204424), (92, 197758), (101, 180136), (178, 102212), (184, 98879), (202, 90068), (253, 71912), (356, 51106), (404, 45034), (506, 35956), (712, 25553), (808, 22517), (979, 18584), (1012, 17978), (1111, 16376), (1958, 9292), (2024, 8989), (2047, 8888), (2222, 8188), (2323, 7832), (3916, 4646), (4094, 4444)]