17974019

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 21792000

約数和(自身を除く): 3817981

約数列:

[1, 7, 19, 133, 149, 907, 1043, 2831, 6349, 17233, 19817, 120631, 135143, 946001, 2567717, 17974019]

約数ペア:

[(1, 17974019), (7, 2567717), (19, 946001), (133, 135143), (149, 120631), (907, 19817), (1043, 17233), (2831, 6349)]