20180860004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 39278131200

約数和(自身を除く): 19097271196

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 89, 124, 178, 263, 356, 409, 526, 527, 818, 1052, 1054, 1513, 1636, 2108, 2759, 3026, 4471, 5518, 6052, 6953, 8153, 8942, 11036, 12679, 13906, 16306, 17884, 23407, 25358, 27812, 32612, 36401, 46814, 46903, 50716, 72802, 93628, 93806, 107567, 138601, 145604, 187612, 215134, 215543, 277202, 397919, 430268, 431086, 554404, 618817, 725617, 795838, 862172, 1128431, 1237634, 1451234, 1591676, 1828639, 2256862, 2475268, 2902468, 3334577, 3657278, 4513724, 6669154, 7314556, 9573463, 12335489, 13338308, 19146926, 19183327, 24670978, 38293852, 38366654, 49341956, 56687809, 76733308, 113375618, 162748871, 226751236, 296777353, 325497742, 593554706, 650995484, 1187109412, 5045215001, 10090430002, 20180860004]

約数ペア:

[(1, 20180860004), (2, 10090430002), (4, 5045215001), (17, 1187109412), (31, 650995484), (34, 593554706), (62, 325497742), (68, 296777353), (89, 226751236), (124, 162748871), (178, 113375618), (263, 76733308), (356, 56687809), (409, 49341956), (526, 38366654), (527, 38293852), (818, 24670978), (1052, 19183327), (1054, 19146926), (1513, 13338308), (1636, 12335489), (2108, 9573463), (2759, 7314556), (3026, 6669154), (4471, 4513724), (5518, 3657278), (6052, 3334577), (6953, 2902468), (8153, 2475268), (8942, 2256862), (11036, 1828639), (12679, 1591676), (13906, 1451234), (16306, 1237634), (17884, 1128431), (23407, 862172), (25358, 795838), (27812, 725617), (32612, 618817), (36401, 554404), (46814, 431086), (46903, 430268), (50716, 397919), (72802, 277202), (93628, 215543), (93806, 215134), (107567, 187612), (138601, 145604)]