18223872

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 49423920

約数和(自身を除く): 31200048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 389, 488, 732, 768, 778, 976, 1167, 1464, 1556, 1952, 2334, 2928, 3112, 3904, 4668, 5856, 6224, 7808, 9336, 11712, 12448, 15616, 18672, 23424, 23729, 24896, 37344, 46848, 47458, 49792, 71187, 74688, 94916, 99584, 142374, 149376, 189832, 284748, 298752, 379664, 569496, 759328, 1138992, 1518656, 2277984, 3037312, 4555968, 6074624, 9111936, 18223872]

約数ペア:

[(1, 18223872), (2, 9111936), (3, 6074624), (4, 4555968), (6, 3037312), (8, 2277984), (12, 1518656), (16, 1138992), (24, 759328), (32, 569496), (48, 379664), (61, 298752), (64, 284748), (96, 189832), (122, 149376), (128, 142374), (183, 99584), (192, 94916), (244, 74688), (256, 71187), (366, 49792), (384, 47458), (389, 46848), (488, 37344), (732, 24896), (768, 23729), (778, 23424), (976, 18672), (1167, 15616), (1464, 12448), (1556, 11712), (1952, 9336), (2334, 7808), (2928, 6224), (3112, 5856), (3904, 4668)]