18674720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6143}}^1$

素因数の和:6177

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 27773920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6143, 12286, 24572, 30715, 49144, 61430, 98288, 116717, 122860, 196576, 233434, 245720, 466868, 491440, 583585, 933736, 982880, 1167170, 1867472, 2334340, 3734944, 4668680, 9337360, 18674720]

約数ペア:

[(1, 18674720), (2, 9337360), (4, 4668680), (5, 3734944), (8, 2334340), (10, 1867472), (16, 1167170), (19, 982880), (20, 933736), (32, 583585), (38, 491440), (40, 466868), (76, 245720), (80, 233434), (95, 196576), (152, 122860), (160, 116717), (190, 98288), (304, 61430), (380, 49144), (608, 30715), (760, 24572), (1520, 12286), (3040, 6143)]