19511772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 55050240

約数和(自身を除く): 35538468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 59, 62, 84, 93, 118, 124, 127, 177, 186, 217, 236, 254, 354, 372, 381, 413, 434, 508, 651, 708, 762, 826, 868, 889, 1239, 1302, 1524, 1652, 1778, 1829, 2478, 2604, 2667, 3556, 3658, 3937, 4956, 5334, 5487, 7316, 7493, 7874, 10668, 10974, 11811, 12803, 14986, 15748, 21948, 22479, 23622, 25606, 27559, 29972, 38409, 44958, 47244, 51212, 52451, 55118, 76818, 82677, 89916, 104902, 110236, 153636, 157353, 165354, 209804, 232283, 314706, 330708, 464566, 629412, 696849, 929132, 1393698, 1625981, 2787396, 3251962, 4877943, 6503924, 9755886, 19511772]

約数ペア:

[(1, 19511772), (2, 9755886), (3, 6503924), (4, 4877943), (6, 3251962), (7, 2787396), (12, 1625981), (14, 1393698), (21, 929132), (28, 696849), (31, 629412), (42, 464566), (59, 330708), (62, 314706), (84, 232283), (93, 209804), (118, 165354), (124, 157353), (127, 153636), (177, 110236), (186, 104902), (217, 89916), (236, 82677), (254, 76818), (354, 55118), (372, 52451), (381, 51212), (413, 47244), (434, 44958), (508, 38409), (651, 29972), (708, 27559), (762, 25606), (826, 23622), (868, 22479), (889, 21948), (1239, 15748), (1302, 14986), (1524, 12803), (1652, 11811), (1778, 10974), (1829, 10668), (2478, 7874), (2604, 7493), (2667, 7316), (3556, 5487), (3658, 5334), (3937, 4956)]