19978272

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1255

約数の個数: 96

約数和(自身を含む): 61387200

約数和(自身を除く): 41408928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1217, 1368, 1824, 2052, 2434, 2736, 3651, 4104, 4868, 5472, 7302, 8208, 9736, 10953, 14604, 16416, 19472, 21906, 23123, 29208, 32859, 38944, 43812, 46246, 58416, 65718, 69369, 87624, 92492, 116832, 131436, 138738, 175248, 184984, 208107, 262872, 277476, 350496, 369968, 416214, 525744, 554952, 624321, 739936, 832428, 1051488, 1109904, 1248642, 1664856, 2219808, 2497284, 3329712, 4994568, 6659424, 9989136, 19978272]

約数ペア:

[(1, 19978272), (2, 9989136), (3, 6659424), (4, 4994568), (6, 3329712), (8, 2497284), (9, 2219808), (12, 1664856), (16, 1248642), (18, 1109904), (19, 1051488), (24, 832428), (27, 739936), (32, 624321), (36, 554952), (38, 525744), (48, 416214), (54, 369968), (57, 350496), (72, 277476), (76, 262872), (96, 208107), (108, 184984), (114, 175248), (144, 138738), (152, 131436), (171, 116832), (216, 92492), (228, 87624), (288, 69369), (304, 65718), (342, 58416), (432, 46246), (456, 43812), (513, 38944), (608, 32859), (684, 29208), (864, 23123), (912, 21906), (1026, 19472), (1217, 16416), (1368, 14604), (1824, 10953), (2052, 9736), (2434, 8208), (2736, 7302), (3651, 5472), (4104, 4868)]