18657244544

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{971}}^1\times {\mathrm{3491}}^1$

素因数の和:4519

約数の個数: 64

約数和(自身を含む): 38083193280

約数和(自身を除く): 19425948736

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 971, 1376, 1942, 2752, 3491, 3884, 5504, 6982, 7768, 13964, 15536, 27928, 31072, 41753, 55856, 62144, 83506, 111712, 124288, 150113, 167012, 223424, 300226, 334024, 446848, 600452, 668048, 1200904, 1336096, 2401808, 2672192, 3389761, 4803616, 5344384, 6779522, 9607232, 13559044, 19214464, 27118088, 54236176, 108472352, 145759723, 216944704, 291519446, 433889408, 583038892, 1166077784, 2332155568, 4664311136, 9328622272, 18657244544]

約数ペア:

[(1, 18657244544), (2, 9328622272), (4, 4664311136), (8, 2332155568), (16, 1166077784), (32, 583038892), (43, 433889408), (64, 291519446), (86, 216944704), (128, 145759723), (172, 108472352), (344, 54236176), (688, 27118088), (971, 19214464), (1376, 13559044), (1942, 9607232), (2752, 6779522), (3491, 5344384), (3884, 4803616), (5504, 3389761), (6982, 2672192), (7768, 2401808), (13964, 1336096), (15536, 1200904), (27928, 668048), (31072, 600452), (41753, 446848), (55856, 334024), (62144, 300226), (83506, 223424), (111712, 167012), (124288, 150113)]