18993958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5153}}^1$

素因数の和:5271

約数の個数: 16

約数和(自身を含む): 30305520

約数和(自身を除く): 11311562

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5153, 10306, 97907, 195814, 499841, 999682, 9496979, 18993958]

約数ペア:

[(1, 18993958), (2, 9496979), (19, 999682), (38, 499841), (97, 195814), (194, 97907), (1843, 10306), (3686, 5153)]