15871916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2153}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 29552880

約数和(自身を除く): 13680964

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2153, 3686, 4306, 7372, 8612, 40907, 81814, 163628, 208841, 417682, 835364, 3967979, 7935958, 15871916]

約数ペア:

[(1, 15871916), (2, 7935958), (4, 3967979), (19, 835364), (38, 417682), (76, 208841), (97, 163628), (194, 81814), (388, 40907), (1843, 8612), (2153, 7372), (3686, 4306)]