18731286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3163}}^1$

素因数の和:3225

約数の個数: 48

約数和(自身を含む): 47384064

約数和(自身を除く): 28652778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3163, 5922, 6326, 9489, 18978, 22141, 28467, 44282, 56934, 66423, 132846, 148661, 199269, 297322, 398538, 445983, 891966, 1040627, 1337949, 2081254, 2675898, 3121881, 6243762, 9365643, 18731286]

約数ペア:

[(1, 18731286), (2, 9365643), (3, 6243762), (6, 3121881), (7, 2675898), (9, 2081254), (14, 1337949), (18, 1040627), (21, 891966), (42, 445983), (47, 398538), (63, 297322), (94, 199269), (126, 148661), (141, 132846), (282, 66423), (329, 56934), (423, 44282), (658, 28467), (846, 22141), (987, 18978), (1974, 9489), (2961, 6326), (3163, 5922)]