19653987598

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{941}}^1$

素因数の和:1709

約数の個数: 64

約数和(自身を含む): 35261064576

約数和(自身を除く): 15607076978

約数列:

[1, 2, 7, 14, 37, 61, 74, 122, 259, 427, 518, 661, 854, 941, 1322, 1882, 2257, 4514, 4627, 6587, 9254, 13174, 15799, 24457, 31598, 34817, 40321, 48914, 57401, 69634, 80642, 114802, 171199, 243719, 282247, 342398, 401807, 487438, 564494, 622001, 803614, 1244002, 1491877, 2123837, 2983754, 4247674, 4354007, 8708014, 10443139, 14866859, 20886278, 23014037, 29733718, 37942061, 46028074, 75884122, 161098259, 265594427, 322196518, 531188854, 1403856257, 2807712514, 9826993799, 19653987598]

約数ペア:

[(1, 19653987598), (2, 9826993799), (7, 2807712514), (14, 1403856257), (37, 531188854), (61, 322196518), (74, 265594427), (122, 161098259), (259, 75884122), (427, 46028074), (518, 37942061), (661, 29733718), (854, 23014037), (941, 20886278), (1322, 14866859), (1882, 10443139), (2257, 8708014), (4514, 4354007), (4627, 4247674), (6587, 2983754), (9254, 2123837), (13174, 1491877), (15799, 1244002), (24457, 803614), (31598, 622001), (34817, 564494), (40321, 487438), (48914, 401807), (57401, 342398), (69634, 282247), (80642, 243719), (114802, 171199)]