18613974

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 19747626

約数列:

[1, 2, 3, 6, 47, 94, 141, 149, 282, 298, 443, 447, 886, 894, 1329, 2658, 7003, 14006, 20821, 21009, 41642, 42018, 62463, 66007, 124926, 132014, 198021, 396042, 3102329, 6204658, 9306987, 18613974]

約数ペア:

[(1, 18613974), (2, 9306987), (3, 6204658), (6, 3102329), (47, 396042), (94, 198021), (141, 132014), (149, 124926), (282, 66007), (298, 62463), (443, 42018), (447, 41642), (886, 21009), (894, 20821), (1329, 14006), (2658, 7003)]