15810964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 31563840

約数和(自身を除く): 15752876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1231, 2462, 3211, 4924, 6422, 12844, 16003, 23389, 32006, 46778, 64012, 93556, 208039, 304057, 416078, 608114, 832156, 1216228, 3952741, 7905482, 15810964]

約数ペア:

[(1, 15810964), (2, 7905482), (4, 3952741), (13, 1216228), (19, 832156), (26, 608114), (38, 416078), (52, 304057), (76, 208039), (169, 93556), (247, 64012), (338, 46778), (494, 32006), (676, 23389), (988, 16003), (1231, 12844), (2462, 6422), (3211, 4924)]