18890784

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 60147360

約数和(自身を除く): 41256576

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 67, 72, 88, 89, 96, 99, 132, 134, 144, 176, 178, 198, 201, 264, 267, 268, 288, 352, 356, 396, 402, 528, 534, 536, 603, 712, 737, 792, 801, 804, 979, 1056, 1068, 1072, 1206, 1424, 1474, 1584, 1602, 1608, 1958, 2136, 2144, 2211, 2412, 2848, 2937, 2948, 3168, 3204, 3216, 3916, 4272, 4422, 4824, 5874, 5896, 5963, 6408, 6432, 6633, 7832, 8544, 8811, 8844, 9648, 11748, 11792, 11926, 12816, 13266, 15664, 17622, 17688, 17889, 19296, 23496, 23584, 23852, 25632, 26532, 31328, 35244, 35376, 35778, 46992, 47704, 53064, 53667, 65593, 70488, 70752, 71556, 93984, 95408, 106128, 107334, 131186, 140976, 143112, 190816, 196779, 212256, 214668, 262372, 281952, 286224, 393558, 429336, 524744, 572448, 590337, 787116, 858672, 1049488, 1180674, 1574232, 1717344, 2098976, 2361348, 3148464, 4722696, 6296928, 9445392, 18890784]

約数ペア:

[(1, 18890784), (2, 9445392), (3, 6296928), (4, 4722696), (6, 3148464), (8, 2361348), (9, 2098976), (11, 1717344), (12, 1574232), (16, 1180674), (18, 1049488), (22, 858672), (24, 787116), (32, 590337), (33, 572448), (36, 524744), (44, 429336), (48, 393558), (66, 286224), (67, 281952), (72, 262372), (88, 214668), (89, 212256), (96, 196779), (99, 190816), (132, 143112), (134, 140976), (144, 131186), (176, 107334), (178, 106128), (198, 95408), (201, 93984), (264, 71556), (267, 70752), (268, 70488), (288, 65593), (352, 53667), (356, 53064), (396, 47704), (402, 46992), (528, 35778), (534, 35376), (536, 35244), (603, 31328), (712, 26532), (737, 25632), (792, 23852), (801, 23584), (804, 23496), (979, 19296), (1056, 17889), (1068, 17688), (1072, 17622), (1206, 15664), (1424, 13266), (1474, 12816), (1584, 11926), (1602, 11792), (1608, 11748), (1958, 9648), (2136, 8844), (2144, 8811), (2211, 8544), (2412, 7832), (2848, 6633), (2937, 6432), (2948, 6408), (3168, 5963), (3204, 5896), (3216, 5874), (3916, 4824), (4272, 4422)]