18043956

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 108

約数和(自身を含む): 54339012

約数和(自身を除く): 36295056

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 53, 63, 84, 98, 106, 126, 147, 159, 193, 196, 212, 252, 294, 318, 371, 386, 441, 477, 579, 588, 636, 742, 772, 882, 954, 1113, 1158, 1351, 1484, 1737, 1764, 1908, 2226, 2316, 2597, 2702, 3339, 3474, 4053, 4452, 5194, 5404, 6678, 6948, 7791, 8106, 9457, 10229, 10388, 12159, 13356, 15582, 16212, 18914, 20458, 23373, 24318, 28371, 30687, 31164, 37828, 40916, 46746, 48636, 56742, 61374, 71603, 85113, 92061, 93492, 113484, 122748, 143206, 170226, 184122, 214809, 286412, 340452, 368244, 429618, 501221, 644427, 859236, 1002442, 1288854, 1503663, 2004884, 2577708, 3007326, 4510989, 6014652, 9021978, 18043956]

約数ペア:

[(1, 18043956), (2, 9021978), (3, 6014652), (4, 4510989), (6, 3007326), (7, 2577708), (9, 2004884), (12, 1503663), (14, 1288854), (18, 1002442), (21, 859236), (28, 644427), (36, 501221), (42, 429618), (49, 368244), (53, 340452), (63, 286412), (84, 214809), (98, 184122), (106, 170226), (126, 143206), (147, 122748), (159, 113484), (193, 93492), (196, 92061), (212, 85113), (252, 71603), (294, 61374), (318, 56742), (371, 48636), (386, 46746), (441, 40916), (477, 37828), (579, 31164), (588, 30687), (636, 28371), (742, 24318), (772, 23373), (882, 20458), (954, 18914), (1113, 16212), (1158, 15582), (1351, 13356), (1484, 12159), (1737, 10388), (1764, 10229), (1908, 9457), (2226, 8106), (2316, 7791), (2597, 6948), (2702, 6678), (3339, 5404), (3474, 5194), (4053, 4452)]