18874752

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 57120000

約数和(自身を除く): 38245248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 192, 199, 208, 228, 247, 304, 312, 384, 398, 416, 456, 494, 597, 608, 624, 741, 796, 832, 912, 988, 1194, 1216, 1248, 1482, 1592, 1664, 1824, 1976, 2388, 2432, 2496, 2587, 2964, 3184, 3648, 3781, 3952, 4776, 4992, 5174, 5928, 6368, 7296, 7562, 7761, 7904, 9552, 10348, 11343, 11856, 12736, 15124, 15522, 15808, 19104, 20696, 22686, 23712, 25472, 30248, 31044, 31616, 38208, 41392, 45372, 47424, 49153, 60496, 62088, 76416, 82784, 90744, 94848, 98306, 120992, 124176, 147459, 165568, 181488, 196612, 241984, 248352, 294918, 331136, 362976, 393224, 483968, 496704, 589836, 725952, 786448, 993408, 1179672, 1451904, 1572896, 2359344, 3145792, 4718688, 6291584, 9437376, 18874752]

約数ペア:

[(1, 18874752), (2, 9437376), (3, 6291584), (4, 4718688), (6, 3145792), (8, 2359344), (12, 1572896), (13, 1451904), (16, 1179672), (19, 993408), (24, 786448), (26, 725952), (32, 589836), (38, 496704), (39, 483968), (48, 393224), (52, 362976), (57, 331136), (64, 294918), (76, 248352), (78, 241984), (96, 196612), (104, 181488), (114, 165568), (128, 147459), (152, 124176), (156, 120992), (192, 98306), (199, 94848), (208, 90744), (228, 82784), (247, 76416), (304, 62088), (312, 60496), (384, 49153), (398, 47424), (416, 45372), (456, 41392), (494, 38208), (597, 31616), (608, 31044), (624, 30248), (741, 25472), (796, 23712), (832, 22686), (912, 20696), (988, 19104), (1194, 15808), (1216, 15522), (1248, 15124), (1482, 12736), (1592, 11856), (1664, 11343), (1824, 10348), (1976, 9552), (2388, 7904), (2432, 7761), (2496, 7562), (2587, 7296), (2964, 6368), (3184, 5928), (3648, 5174), (3781, 4992), (3952, 4776)]