19025101641

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{5669}}^1$

素因数の和:6358

約数の個数: 64

約数和(自身を含む): 32920473600

約数和(自身を除く): 13895371959

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 647, 741, 1729, 1941, 4529, 5187, 5669, 8411, 12293, 13587, 17007, 25233, 36879, 39683, 58877, 73697, 86051, 107711, 119049, 159809, 176631, 221091, 258153, 323133, 479427, 515879, 753977, 1118663, 1400243, 1547637, 2261931, 3355989, 3667843, 4200729, 9801701, 11003529, 25674901, 29405103, 47681959, 69689017, 77024703, 143045877, 209067051, 333773713, 487823119, 905957221, 1001321139, 1463469357, 2717871663, 6341700547, 19025101641]

約数ペア:

[(1, 19025101641), (3, 6341700547), (7, 2717871663), (13, 1463469357), (19, 1001321139), (21, 905957221), (39, 487823119), (57, 333773713), (91, 209067051), (133, 143045877), (247, 77024703), (273, 69689017), (399, 47681959), (647, 29405103), (741, 25674901), (1729, 11003529), (1941, 9801701), (4529, 4200729), (5187, 3667843), (5669, 3355989), (8411, 2261931), (12293, 1547637), (13587, 1400243), (17007, 1118663), (25233, 753977), (36879, 515879), (39683, 479427), (58877, 323133), (73697, 258153), (86051, 221091), (107711, 176631), (119049, 159809)]