19239920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 160

約数和(自身を含む): 56567808

約数和(自身を除く): 37327888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 43, 47, 56, 68, 70, 80, 85, 86, 94, 112, 119, 136, 140, 170, 172, 188, 215, 235, 238, 272, 280, 301, 329, 340, 344, 376, 430, 470, 476, 560, 595, 602, 658, 680, 688, 731, 752, 799, 860, 940, 952, 1190, 1204, 1316, 1360, 1462, 1505, 1598, 1645, 1720, 1880, 1904, 2021, 2380, 2408, 2632, 2924, 3010, 3196, 3290, 3440, 3655, 3760, 3995, 4042, 4760, 4816, 5117, 5264, 5593, 5848, 6020, 6392, 6580, 7310, 7990, 8084, 9520, 10105, 10234, 11186, 11696, 12040, 12784, 13160, 14147, 14620, 15980, 16168, 20210, 20468, 22372, 24080, 25585, 26320, 27965, 28294, 29240, 31960, 32336, 34357, 40420, 40936, 44744, 51170, 55930, 56588, 58480, 63920, 68714, 70735, 80840, 81872, 89488, 102340, 111860, 113176, 137428, 141470, 161680, 171785, 204680, 223720, 226352, 240499, 274856, 282940, 343570, 409360, 447440, 480998, 549712, 565880, 687140, 961996, 1131760, 1202495, 1374280, 1923992, 2404990, 2748560, 3847984, 4809980, 9619960, 19239920]

約数ペア:

[(1, 19239920), (2, 9619960), (4, 4809980), (5, 3847984), (7, 2748560), (8, 2404990), (10, 1923992), (14, 1374280), (16, 1202495), (17, 1131760), (20, 961996), (28, 687140), (34, 565880), (35, 549712), (40, 480998), (43, 447440), (47, 409360), (56, 343570), (68, 282940), (70, 274856), (80, 240499), (85, 226352), (86, 223720), (94, 204680), (112, 171785), (119, 161680), (136, 141470), (140, 137428), (170, 113176), (172, 111860), (188, 102340), (215, 89488), (235, 81872), (238, 80840), (272, 70735), (280, 68714), (301, 63920), (329, 58480), (340, 56588), (344, 55930), (376, 51170), (430, 44744), (470, 40936), (476, 40420), (560, 34357), (595, 32336), (602, 31960), (658, 29240), (680, 28294), (688, 27965), (731, 26320), (752, 25585), (799, 24080), (860, 22372), (940, 20468), (952, 20210), (1190, 16168), (1204, 15980), (1316, 14620), (1360, 14147), (1462, 13160), (1505, 12784), (1598, 12040), (1645, 11696), (1720, 11186), (1880, 10234), (1904, 10105), (2021, 9520), (2380, 8084), (2408, 7990), (2632, 7310), (2924, 6580), (3010, 6392), (3196, 6020), (3290, 5848), (3440, 5593), (3655, 5264), (3760, 5117), (3995, 4816), (4042, 4760)]