18395800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 46425600

約数和(自身を除く): 28029800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 47, 50, 76, 94, 95, 100, 103, 152, 188, 190, 200, 206, 235, 376, 380, 412, 470, 475, 515, 760, 824, 893, 940, 950, 1030, 1175, 1786, 1880, 1900, 1957, 2060, 2350, 2575, 3572, 3800, 3914, 4120, 4465, 4700, 4841, 5150, 7144, 7828, 8930, 9400, 9682, 9785, 10300, 15656, 17860, 19364, 19570, 20600, 22325, 24205, 35720, 38728, 39140, 44650, 48410, 48925, 78280, 89300, 91979, 96820, 97850, 121025, 178600, 183958, 193640, 195700, 242050, 367916, 391400, 459895, 484100, 735832, 919790, 968200, 1839580, 2299475, 3679160, 4598950, 9197900, 18395800]

約数ペア:

[(1, 18395800), (2, 9197900), (4, 4598950), (5, 3679160), (8, 2299475), (10, 1839580), (19, 968200), (20, 919790), (25, 735832), (38, 484100), (40, 459895), (47, 391400), (50, 367916), (76, 242050), (94, 195700), (95, 193640), (100, 183958), (103, 178600), (152, 121025), (188, 97850), (190, 96820), (200, 91979), (206, 89300), (235, 78280), (376, 48925), (380, 48410), (412, 44650), (470, 39140), (475, 38728), (515, 35720), (760, 24205), (824, 22325), (893, 20600), (940, 19570), (950, 19364), (1030, 17860), (1175, 15656), (1786, 10300), (1880, 9785), (1900, 9682), (1957, 9400), (2060, 8930), (2350, 7828), (2575, 7144), (3572, 5150), (3800, 4841), (3914, 4700), (4120, 4465)]