19646172

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2032

約数の個数: 96

約数和(自身を含む): 62720000

約数和(自身を除く): 43073828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 1999, 2457, 3276, 3998, 4914, 5997, 7996, 9828, 11994, 13993, 17991, 23988, 25987, 27986, 35982, 41979, 51974, 53973, 55972, 71964, 77961, 83958, 103948, 107946, 125937, 155922, 167916, 181909, 215892, 233883, 251874, 311844, 363818, 377811, 467766, 503748, 545727, 701649, 727636, 755622, 935532, 1091454, 1403298, 1511244, 1637181, 2182908, 2806596, 3274362, 4911543, 6548724, 9823086, 19646172]

約数ペア:

[(1, 19646172), (2, 9823086), (3, 6548724), (4, 4911543), (6, 3274362), (7, 2806596), (9, 2182908), (12, 1637181), (13, 1511244), (14, 1403298), (18, 1091454), (21, 935532), (26, 755622), (27, 727636), (28, 701649), (36, 545727), (39, 503748), (42, 467766), (52, 377811), (54, 363818), (63, 311844), (78, 251874), (84, 233883), (91, 215892), (108, 181909), (117, 167916), (126, 155922), (156, 125937), (182, 107946), (189, 103948), (234, 83958), (252, 77961), (273, 71964), (351, 55972), (364, 53973), (378, 51974), (468, 41979), (546, 35982), (702, 27986), (756, 25987), (819, 23988), (1092, 17991), (1404, 13993), (1638, 11994), (1999, 9828), (2457, 7996), (3276, 5997), (3998, 4914)]