19568612608

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{40423}}^1$

素因数の和:40531

約数の個数: 72

約数和(自身を含む): 40982821376

約数和(自身を除く): 21414208768

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 256, 488, 496, 976, 992, 1891, 1952, 1984, 3782, 3904, 3968, 7564, 7808, 7936, 15128, 15616, 30256, 40423, 60512, 80846, 121024, 161692, 242048, 323384, 484096, 646768, 1253113, 1293536, 2465803, 2506226, 2587072, 4931606, 5012452, 5174144, 9863212, 10024904, 10348288, 19726424, 20049808, 39452848, 40099616, 76439893, 78905696, 80199232, 152879786, 157811392, 160398464, 305759572, 315622784, 320796928, 611519144, 631245568, 1223038288, 2446076576, 4892153152, 9784306304, 19568612608]

約数ペア:

[(1, 19568612608), (2, 9784306304), (4, 4892153152), (8, 2446076576), (16, 1223038288), (31, 631245568), (32, 611519144), (61, 320796928), (62, 315622784), (64, 305759572), (122, 160398464), (124, 157811392), (128, 152879786), (244, 80199232), (248, 78905696), (256, 76439893), (488, 40099616), (496, 39452848), (976, 20049808), (992, 19726424), (1891, 10348288), (1952, 10024904), (1984, 9863212), (3782, 5174144), (3904, 5012452), (3968, 4931606), (7564, 2587072), (7808, 2506226), (7936, 2465803), (15128, 1293536), (15616, 1253113), (30256, 646768), (40423, 484096), (60512, 323384), (80846, 242048), (121024, 161692)]