19775808

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 168

約数和(自身を含む): 64719200

約数和(自身を除く): 44943392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 139, 144, 152, 156, 171, 192, 208, 228, 234, 247, 278, 288, 304, 312, 342, 416, 417, 456, 468, 494, 556, 576, 608, 624, 684, 741, 832, 834, 912, 936, 988, 1112, 1216, 1248, 1251, 1368, 1482, 1668, 1807, 1824, 1872, 1976, 2223, 2224, 2496, 2502, 2641, 2736, 2964, 3336, 3614, 3648, 3744, 3952, 4446, 4448, 5004, 5282, 5421, 5472, 5928, 6672, 7228, 7488, 7904, 7923, 8892, 8896, 10008, 10564, 10842, 10944, 11856, 13344, 14456, 15808, 15846, 16263, 17784, 20016, 21128, 21684, 23712, 23769, 26688, 28912, 31692, 32526, 34333, 35568, 40032, 42256, 43368, 47424, 47538, 57824, 63384, 65052, 68666, 71136, 80064, 84512, 86736, 95076, 102999, 115648, 126768, 130104, 137332, 142272, 169024, 173472, 190152, 205998, 253536, 260208, 274664, 308997, 346944, 380304, 411996, 507072, 520416, 549328, 617994, 760608, 823992, 1040832, 1098656, 1235988, 1521216, 1647984, 2197312, 2471976, 3295968, 4943952, 6591936, 9887904, 19775808]

約数ペア:

[(1, 19775808), (2, 9887904), (3, 6591936), (4, 4943952), (6, 3295968), (8, 2471976), (9, 2197312), (12, 1647984), (13, 1521216), (16, 1235988), (18, 1098656), (19, 1040832), (24, 823992), (26, 760608), (32, 617994), (36, 549328), (38, 520416), (39, 507072), (48, 411996), (52, 380304), (57, 346944), (64, 308997), (72, 274664), (76, 260208), (78, 253536), (96, 205998), (104, 190152), (114, 173472), (117, 169024), (139, 142272), (144, 137332), (152, 130104), (156, 126768), (171, 115648), (192, 102999), (208, 95076), (228, 86736), (234, 84512), (247, 80064), (278, 71136), (288, 68666), (304, 65052), (312, 63384), (342, 57824), (416, 47538), (417, 47424), (456, 43368), (468, 42256), (494, 40032), (556, 35568), (576, 34333), (608, 32526), (624, 31692), (684, 28912), (741, 26688), (832, 23769), (834, 23712), (912, 21684), (936, 21128), (988, 20016), (1112, 17784), (1216, 16263), (1248, 15846), (1251, 15808), (1368, 14456), (1482, 13344), (1668, 11856), (1807, 10944), (1824, 10842), (1872, 10564), (1976, 10008), (2223, 8896), (2224, 8892), (2496, 7923), (2502, 7904), (2641, 7488), (2736, 7228), (2964, 6672), (3336, 5928), (3614, 5472), (3648, 5421), (3744, 5282), (3952, 5004), (4446, 4448)]