18375840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1823}}^1$

素因数の和:1851

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 53329248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 1823, 2016, 2520, 3360, 3646, 5040, 5469, 7292, 9115, 10080, 10938, 12761, 14584, 16407, 18230, 21876, 25522, 27345, 29168, 32814, 36460, 38283, 43752, 51044, 54690, 58336, 63805, 65628, 72920, 76566, 82035, 87504, 102088, 109380, 114849, 127610, 131256, 145840, 153132, 164070, 175008, 191415, 204176, 218760, 229698, 255220, 262512, 291680, 306264, 328140, 382830, 408352, 437520, 459396, 510440, 525024, 574245, 612528, 656280, 765660, 875040, 918792, 1020880, 1148490, 1225056, 1312560, 1531320, 1837584, 2041760, 2296980, 2625120, 3062640, 3675168, 4593960, 6125280, 9187920, 18375840]

約数ペア:

[(1, 18375840), (2, 9187920), (3, 6125280), (4, 4593960), (5, 3675168), (6, 3062640), (7, 2625120), (8, 2296980), (9, 2041760), (10, 1837584), (12, 1531320), (14, 1312560), (15, 1225056), (16, 1148490), (18, 1020880), (20, 918792), (21, 875040), (24, 765660), (28, 656280), (30, 612528), (32, 574245), (35, 525024), (36, 510440), (40, 459396), (42, 437520), (45, 408352), (48, 382830), (56, 328140), (60, 306264), (63, 291680), (70, 262512), (72, 255220), (80, 229698), (84, 218760), (90, 204176), (96, 191415), (105, 175008), (112, 164070), (120, 153132), (126, 145840), (140, 131256), (144, 127610), (160, 114849), (168, 109380), (180, 102088), (210, 87504), (224, 82035), (240, 76566), (252, 72920), (280, 65628), (288, 63805), (315, 58336), (336, 54690), (360, 51044), (420, 43752), (480, 38283), (504, 36460), (560, 32814), (630, 29168), (672, 27345), (720, 25522), (840, 21876), (1008, 18230), (1120, 16407), (1260, 14584), (1440, 12761), (1680, 10938), (1823, 10080), (2016, 9115), (2520, 7292), (3360, 5469), (3646, 5040)]