19581286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7691}}^1$

素因数の和:7779

約数の個数: 16

約数和(自身を含む): 31383360

約数和(自身を除く): 11802074

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7691, 15382, 146129, 292258, 515297, 1030594, 9790643, 19581286]

約数ペア:

[(1, 19581286), (2, 9790643), (19, 1030594), (38, 515297), (67, 292258), (134, 146129), (1273, 15382), (2546, 7691)]