19874484

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 62619648

約数和(自身を除く): 42745164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 127, 138, 161, 162, 189, 207, 243, 252, 254, 276, 322, 324, 378, 381, 414, 483, 486, 508, 567, 621, 644, 756, 762, 828, 889, 966, 972, 1134, 1143, 1242, 1449, 1524, 1701, 1778, 1863, 1932, 2268, 2286, 2484, 2667, 2898, 2921, 3402, 3429, 3556, 3726, 4347, 4572, 5334, 5589, 5796, 5842, 6804, 6858, 7452, 8001, 8694, 8763, 10287, 10668, 11178, 11684, 13041, 13716, 16002, 17388, 17526, 20447, 20574, 22356, 24003, 26082, 26289, 30861, 32004, 35052, 39123, 40894, 41148, 48006, 52164, 52578, 61341, 61722, 72009, 78246, 78867, 81788, 96012, 105156, 122682, 123444, 144018, 156492, 157734, 184023, 216027, 236601, 245364, 288036, 315468, 368046, 432054, 473202, 552069, 709803, 736092, 864108, 946404, 1104138, 1419606, 1656207, 2208276, 2839212, 3312414, 4968621, 6624828, 9937242, 19874484]

約数ペア:

[(1, 19874484), (2, 9937242), (3, 6624828), (4, 4968621), (6, 3312414), (7, 2839212), (9, 2208276), (12, 1656207), (14, 1419606), (18, 1104138), (21, 946404), (23, 864108), (27, 736092), (28, 709803), (36, 552069), (42, 473202), (46, 432054), (54, 368046), (63, 315468), (69, 288036), (81, 245364), (84, 236601), (92, 216027), (108, 184023), (126, 157734), (127, 156492), (138, 144018), (161, 123444), (162, 122682), (189, 105156), (207, 96012), (243, 81788), (252, 78867), (254, 78246), (276, 72009), (322, 61722), (324, 61341), (378, 52578), (381, 52164), (414, 48006), (483, 41148), (486, 40894), (508, 39123), (567, 35052), (621, 32004), (644, 30861), (756, 26289), (762, 26082), (828, 24003), (889, 22356), (966, 20574), (972, 20447), (1134, 17526), (1143, 17388), (1242, 16002), (1449, 13716), (1524, 13041), (1701, 11684), (1778, 11178), (1863, 10668), (1932, 10287), (2268, 8763), (2286, 8694), (2484, 8001), (2667, 7452), (2898, 6858), (2921, 6804), (3402, 5842), (3429, 5796), (3556, 5589), (3726, 5334), (4347, 4572)]