19949202

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 96

約数和(自身を含む): 56085120

約数和(自身を除く): 36135918

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 641, 741, 798, 819, 1197, 1282, 1482, 1638, 1729, 1923, 2223, 2394, 3458, 3846, 4446, 4487, 5187, 5769, 8333, 8974, 10374, 11538, 12179, 13461, 15561, 16666, 24358, 24999, 26922, 31122, 36537, 40383, 49998, 58331, 73074, 74997, 80766, 85253, 109611, 116662, 149994, 158327, 170506, 174993, 219222, 255759, 316654, 349986, 474981, 511518, 524979, 767277, 949962, 1049958, 1108289, 1424943, 1534554, 2216578, 2849886, 3324867, 6649734, 9974601, 19949202]

約数ペア:

[(1, 19949202), (2, 9974601), (3, 6649734), (6, 3324867), (7, 2849886), (9, 2216578), (13, 1534554), (14, 1424943), (18, 1108289), (19, 1049958), (21, 949962), (26, 767277), (38, 524979), (39, 511518), (42, 474981), (57, 349986), (63, 316654), (78, 255759), (91, 219222), (114, 174993), (117, 170506), (126, 158327), (133, 149994), (171, 116662), (182, 109611), (234, 85253), (247, 80766), (266, 74997), (273, 73074), (342, 58331), (399, 49998), (494, 40383), (546, 36537), (641, 31122), (741, 26922), (798, 24999), (819, 24358), (1197, 16666), (1282, 15561), (1482, 13461), (1638, 12179), (1729, 11538), (1923, 10374), (2223, 8974), (2394, 8333), (3458, 5769), (3846, 5187), (4446, 4487)]