19710018

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7349}}^1$

素因数の和:7506

約数の個数: 24

約数和(自身を含む): 42997500

約数和(自身を除く): 23287482

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7349, 14698, 22047, 44094, 66141, 132282, 1095001, 2190002, 3285003, 6570006, 9855009, 19710018]

約数ペア:

[(1, 19710018), (2, 9855009), (3, 6570006), (6, 3285003), (9, 2190002), (18, 1095001), (149, 132282), (298, 66141), (447, 44094), (894, 22047), (1341, 14698), (2682, 7349)]