19403748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5923}}^1$

素因数の和:5953

約数の個数: 72

約数和(自身を含む): 60377408

約数和(自身を除く): 40973660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 5923, 11846, 17769, 23692, 35538, 41461, 53307, 71076, 76999, 82922, 106614, 124383, 153998, 165844, 213228, 230997, 248766, 307996, 373149, 461994, 497532, 538993, 692991, 746298, 923988, 1077986, 1385982, 1492596, 1616979, 2155972, 2771964, 3233958, 4850937, 6467916, 9701874, 19403748]

約数ペア:

[(1, 19403748), (2, 9701874), (3, 6467916), (4, 4850937), (6, 3233958), (7, 2771964), (9, 2155972), (12, 1616979), (13, 1492596), (14, 1385982), (18, 1077986), (21, 923988), (26, 746298), (28, 692991), (36, 538993), (39, 497532), (42, 461994), (52, 373149), (63, 307996), (78, 248766), (84, 230997), (91, 213228), (117, 165844), (126, 153998), (156, 124383), (182, 106614), (234, 82922), (252, 76999), (273, 71076), (364, 53307), (468, 41461), (546, 35538), (819, 23692), (1092, 17769), (1638, 11846), (3276, 5923)]