15691680784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3970567}}^1$

素因数の和:3970607

約数の個数: 40

約数和(自身を含む): 34464530240

約数和(自身を除く): 18772849456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 3970567, 7941134, 15882268, 31764536, 51617371, 63529072, 75440773, 103234742, 150881546, 206469484, 301763092, 412938968, 603526184, 825877936, 980730049, 1207052368, 1961460098, 3922920196, 7845840392, 15691680784]

約数ペア:

[(1, 15691680784), (2, 7845840392), (4, 3922920196), (8, 1961460098), (13, 1207052368), (16, 980730049), (19, 825877936), (26, 603526184), (38, 412938968), (52, 301763092), (76, 206469484), (104, 150881546), (152, 103234742), (208, 75440773), (247, 63529072), (304, 51617371), (494, 31764536), (988, 15882268), (1976, 7941134), (3952, 3970567)]