19623440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 29873392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 307, 340, 376, 470, 614, 680, 752, 799, 940, 1228, 1360, 1535, 1598, 1880, 2456, 3070, 3196, 3760, 3995, 4912, 5219, 6140, 6392, 7990, 10438, 12280, 12784, 14429, 15980, 20876, 24560, 26095, 28858, 31960, 41752, 52190, 57716, 63920, 72145, 83504, 104380, 115432, 144290, 208760, 230864, 245293, 288580, 417520, 490586, 577160, 981172, 1154320, 1226465, 1962344, 2452930, 3924688, 4905860, 9811720, 19623440]

約数ペア:

[(1, 19623440), (2, 9811720), (4, 4905860), (5, 3924688), (8, 2452930), (10, 1962344), (16, 1226465), (17, 1154320), (20, 981172), (34, 577160), (40, 490586), (47, 417520), (68, 288580), (80, 245293), (85, 230864), (94, 208760), (136, 144290), (170, 115432), (188, 104380), (235, 83504), (272, 72145), (307, 63920), (340, 57716), (376, 52190), (470, 41752), (614, 31960), (680, 28858), (752, 26095), (799, 24560), (940, 20876), (1228, 15980), (1360, 14429), (1535, 12784), (1598, 12280), (1880, 10438), (2456, 7990), (3070, 6392), (3196, 6140), (3760, 5219), (3995, 4912)]