18570496

素因数分解:

$2^8\times 7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 43529024

約数和(自身を除く): 24958528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 241, 256, 301, 344, 448, 482, 602, 688, 896, 964, 1204, 1376, 1687, 1792, 1928, 2408, 2752, 3374, 3856, 4816, 5504, 6748, 7712, 9632, 10363, 11008, 13496, 15424, 19264, 20726, 26992, 30848, 38528, 41452, 53984, 61696, 72541, 77056, 82904, 107968, 145082, 165808, 215936, 290164, 331616, 431872, 580328, 663232, 1160656, 1326464, 2321312, 2652928, 4642624, 9285248, 18570496]

約数ペア:

[(1, 18570496), (2, 9285248), (4, 4642624), (7, 2652928), (8, 2321312), (14, 1326464), (16, 1160656), (28, 663232), (32, 580328), (43, 431872), (56, 331616), (64, 290164), (86, 215936), (112, 165808), (128, 145082), (172, 107968), (224, 82904), (241, 77056), (256, 72541), (301, 61696), (344, 53984), (448, 41452), (482, 38528), (602, 30848), (688, 26992), (896, 20726), (964, 19264), (1204, 15424), (1376, 13496), (1687, 11008), (1792, 10363), (1928, 9632), (2408, 7712), (2752, 6748), (3374, 5504), (3856, 4816)]