19851917433

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{1291}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 29905355520

約数和(自身を除く): 10053438087

約数列:

[1, 3, 17, 29, 37, 51, 87, 111, 281, 493, 629, 843, 1073, 1291, 1479, 1887, 3219, 3873, 4777, 8149, 10397, 14331, 18241, 21947, 24447, 31191, 37439, 47767, 54723, 65841, 112317, 138533, 143301, 176749, 301513, 362771, 415599, 530247, 636463, 812039, 904539, 1088313, 1385243, 1909389, 2436117, 4155729, 5125721, 6167107, 10520359, 13422527, 15377163, 18501321, 23549131, 31561077, 40267581, 70647393, 178846103, 228182959, 389253283, 536538309, 684548877, 1167759849, 6617305811, 19851917433]

約数ペア:

[(1, 19851917433), (3, 6617305811), (17, 1167759849), (29, 684548877), (37, 536538309), (51, 389253283), (87, 228182959), (111, 178846103), (281, 70647393), (493, 40267581), (629, 31561077), (843, 23549131), (1073, 18501321), (1291, 15377163), (1479, 13422527), (1887, 10520359), (3219, 6167107), (3873, 5125721), (4777, 4155729), (8149, 2436117), (10397, 1909389), (14331, 1385243), (18241, 1088313), (21947, 904539), (24447, 812039), (31191, 636463), (37439, 530247), (47767, 415599), (54723, 362771), (65841, 301513), (112317, 176749), (138533, 143301)]