18899328

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 39852672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 89, 96, 112, 128, 158, 168, 178, 192, 224, 237, 267, 316, 336, 356, 384, 448, 474, 534, 553, 623, 632, 672, 712, 896, 948, 1068, 1106, 1246, 1264, 1344, 1424, 1659, 1869, 1896, 2136, 2212, 2492, 2528, 2688, 2848, 3318, 3738, 3792, 4272, 4424, 4984, 5056, 5696, 6636, 7031, 7476, 7584, 8544, 8848, 9968, 10112, 11392, 13272, 14062, 14952, 15168, 17088, 17696, 19936, 21093, 26544, 28124, 29904, 30336, 34176, 35392, 39872, 42186, 49217, 53088, 56248, 59808, 70784, 79744, 84372, 98434, 106176, 112496, 119616, 147651, 168744, 196868, 212352, 224992, 239232, 295302, 337488, 393736, 449984, 590604, 674976, 787472, 899968, 1181208, 1349952, 1574944, 2362416, 2699904, 3149888, 4724832, 6299776, 9449664, 18899328]

約数ペア:

[(1, 18899328), (2, 9449664), (3, 6299776), (4, 4724832), (6, 3149888), (7, 2699904), (8, 2362416), (12, 1574944), (14, 1349952), (16, 1181208), (21, 899968), (24, 787472), (28, 674976), (32, 590604), (42, 449984), (48, 393736), (56, 337488), (64, 295302), (79, 239232), (84, 224992), (89, 212352), (96, 196868), (112, 168744), (128, 147651), (158, 119616), (168, 112496), (178, 106176), (192, 98434), (224, 84372), (237, 79744), (267, 70784), (316, 59808), (336, 56248), (356, 53088), (384, 49217), (448, 42186), (474, 39872), (534, 35392), (553, 34176), (623, 30336), (632, 29904), (672, 28124), (712, 26544), (896, 21093), (948, 19936), (1068, 17696), (1106, 17088), (1246, 15168), (1264, 14952), (1344, 14062), (1424, 13272), (1659, 11392), (1869, 10112), (1896, 9968), (2136, 8848), (2212, 8544), (2492, 7584), (2528, 7476), (2688, 7031), (2848, 6636), (3318, 5696), (3738, 5056), (3792, 4984), (4272, 4424)]