19078240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 28821920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 59, 80, 86, 94, 118, 160, 172, 188, 215, 235, 236, 295, 344, 376, 430, 470, 472, 590, 688, 752, 860, 940, 944, 1180, 1376, 1504, 1720, 1880, 1888, 2021, 2360, 2537, 2773, 3440, 3760, 4042, 4720, 5074, 5546, 6880, 7520, 8084, 9440, 10105, 10148, 11092, 12685, 13865, 16168, 20210, 20296, 22184, 25370, 27730, 32336, 40420, 40592, 44368, 50740, 55460, 64672, 80840, 81184, 88736, 101480, 110920, 119239, 161680, 202960, 221840, 238478, 323360, 405920, 443680, 476956, 596195, 953912, 1192390, 1907824, 2384780, 3815648, 4769560, 9539120, 19078240]

約数ペア:

[(1, 19078240), (2, 9539120), (4, 4769560), (5, 3815648), (8, 2384780), (10, 1907824), (16, 1192390), (20, 953912), (32, 596195), (40, 476956), (43, 443680), (47, 405920), (59, 323360), (80, 238478), (86, 221840), (94, 202960), (118, 161680), (160, 119239), (172, 110920), (188, 101480), (215, 88736), (235, 81184), (236, 80840), (295, 64672), (344, 55460), (376, 50740), (430, 44368), (470, 40592), (472, 40420), (590, 32336), (688, 27730), (752, 25370), (860, 22184), (940, 20296), (944, 20210), (1180, 16168), (1376, 13865), (1504, 12685), (1720, 11092), (1880, 10148), (1888, 10105), (2021, 9440), (2360, 8084), (2537, 7520), (2773, 6880), (3440, 5546), (3760, 5074), (4042, 4720)]