18575872

素因数分解:

$2^9\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 80

約数和(自身を含む): 43604352

約数和(自身を除く): 25028480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 73, 112, 128, 142, 146, 224, 256, 284, 292, 448, 497, 511, 512, 568, 584, 896, 994, 1022, 1136, 1168, 1792, 1988, 2044, 2272, 2336, 3584, 3976, 4088, 4544, 4672, 5183, 7952, 8176, 9088, 9344, 10366, 15904, 16352, 18176, 18688, 20732, 31808, 32704, 36281, 36352, 37376, 41464, 63616, 65408, 72562, 82928, 127232, 130816, 145124, 165856, 254464, 261632, 290248, 331712, 580496, 663424, 1160992, 1326848, 2321984, 2653696, 4643968, 9287936, 18575872]

約数ペア:

[(1, 18575872), (2, 9287936), (4, 4643968), (7, 2653696), (8, 2321984), (14, 1326848), (16, 1160992), (28, 663424), (32, 580496), (56, 331712), (64, 290248), (71, 261632), (73, 254464), (112, 165856), (128, 145124), (142, 130816), (146, 127232), (224, 82928), (256, 72562), (284, 65408), (292, 63616), (448, 41464), (497, 37376), (511, 36352), (512, 36281), (568, 32704), (584, 31808), (896, 20732), (994, 18688), (1022, 18176), (1136, 16352), (1168, 15904), (1792, 10366), (1988, 9344), (2044, 9088), (2272, 8176), (2336, 7952), (3584, 5183), (3976, 4672), (4088, 4544)]