18658336

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 38864448

約数和(自身を除く): 20206112

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 101, 184, 202, 251, 368, 404, 502, 736, 808, 1004, 1616, 2008, 2323, 3232, 4016, 4646, 5773, 8032, 9292, 11546, 18584, 23092, 25351, 37168, 46184, 50702, 74336, 92368, 101404, 184736, 202808, 405616, 583073, 811232, 1166146, 2332292, 4664584, 9329168, 18658336]

約数ペア:

[(1, 18658336), (2, 9329168), (4, 4664584), (8, 2332292), (16, 1166146), (23, 811232), (32, 583073), (46, 405616), (92, 202808), (101, 184736), (184, 101404), (202, 92368), (251, 74336), (368, 50702), (404, 46184), (502, 37168), (736, 25351), (808, 23092), (1004, 18584), (1616, 11546), (2008, 9292), (2323, 8032), (3232, 5773), (4016, 4646)]