19839512

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 48755520

約数和(自身を除く): 28916008

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 49, 56, 77, 86, 88, 98, 107, 154, 172, 196, 214, 301, 308, 344, 392, 428, 473, 539, 602, 616, 749, 856, 946, 1078, 1177, 1204, 1498, 1892, 2107, 2156, 2354, 2408, 2996, 3311, 3784, 4214, 4312, 4601, 4708, 5243, 5992, 6622, 8239, 8428, 9202, 9416, 10486, 13244, 16478, 16856, 18404, 20972, 23177, 26488, 32207, 32956, 36808, 41944, 46354, 50611, 57673, 64414, 65912, 92708, 101222, 115346, 128828, 185416, 202444, 225449, 230692, 257656, 354277, 404888, 450898, 461384, 708554, 901796, 1417108, 1803592, 2479939, 2834216, 4959878, 9919756, 19839512]

約数ペア:

[(1, 19839512), (2, 9919756), (4, 4959878), (7, 2834216), (8, 2479939), (11, 1803592), (14, 1417108), (22, 901796), (28, 708554), (43, 461384), (44, 450898), (49, 404888), (56, 354277), (77, 257656), (86, 230692), (88, 225449), (98, 202444), (107, 185416), (154, 128828), (172, 115346), (196, 101222), (214, 92708), (301, 65912), (308, 64414), (344, 57673), (392, 50611), (428, 46354), (473, 41944), (539, 36808), (602, 32956), (616, 32207), (749, 26488), (856, 23177), (946, 20972), (1078, 18404), (1177, 16856), (1204, 16478), (1498, 13244), (1892, 10486), (2107, 9416), (2156, 9202), (2354, 8428), (2408, 8239), (2996, 6622), (3311, 5992), (3784, 5243), (4214, 4708), (4312, 4601)]