18904160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 32044192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 352, 368, 440, 460, 467, 506, 736, 880, 920, 934, 1012, 1265, 1760, 1840, 1868, 2024, 2335, 2530, 3680, 3736, 4048, 4670, 5060, 5137, 7472, 8096, 9340, 10120, 10274, 10741, 14944, 18680, 20240, 20548, 21482, 25685, 37360, 40480, 41096, 42964, 51370, 53705, 74720, 82192, 85928, 102740, 107410, 118151, 164384, 171856, 205480, 214820, 236302, 343712, 410960, 429640, 472604, 590755, 821920, 859280, 945208, 1181510, 1718560, 1890416, 2363020, 3780832, 4726040, 9452080, 18904160]

約数ペア:

[(1, 18904160), (2, 9452080), (4, 4726040), (5, 3780832), (8, 2363020), (10, 1890416), (11, 1718560), (16, 1181510), (20, 945208), (22, 859280), (23, 821920), (32, 590755), (40, 472604), (44, 429640), (46, 410960), (55, 343712), (80, 236302), (88, 214820), (92, 205480), (110, 171856), (115, 164384), (160, 118151), (176, 107410), (184, 102740), (220, 85928), (230, 82192), (253, 74720), (352, 53705), (368, 51370), (440, 42964), (460, 41096), (467, 40480), (506, 37360), (736, 25685), (880, 21482), (920, 20548), (934, 20240), (1012, 18680), (1265, 14944), (1760, 10741), (1840, 10274), (1868, 10120), (2024, 9340), (2335, 8096), (2530, 7472), (3680, 5137), (3736, 5060), (4048, 4670)]