18196668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 53010048

約数和(自身を除く): 34813380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 443, 489, 652, 886, 978, 1141, 1329, 1467, 1772, 1956, 2282, 2658, 2934, 3101, 3423, 3987, 4564, 5316, 5868, 6202, 6846, 7974, 9303, 10269, 12404, 13692, 15948, 18606, 20538, 27909, 37212, 41076, 55818, 72209, 111636, 144418, 216627, 288836, 433254, 505463, 649881, 866508, 1010926, 1299762, 1516389, 2021852, 2599524, 3032778, 4549167, 6065556, 9098334, 18196668]

約数ペア:

[(1, 18196668), (2, 9098334), (3, 6065556), (4, 4549167), (6, 3032778), (7, 2599524), (9, 2021852), (12, 1516389), (14, 1299762), (18, 1010926), (21, 866508), (28, 649881), (36, 505463), (42, 433254), (63, 288836), (84, 216627), (126, 144418), (163, 111636), (252, 72209), (326, 55818), (443, 41076), (489, 37212), (652, 27909), (886, 20538), (978, 18606), (1141, 15948), (1329, 13692), (1467, 12404), (1772, 10269), (1956, 9303), (2282, 7974), (2658, 6846), (2934, 6202), (3101, 5868), (3423, 5316), (3987, 4564)]