18940248

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 54475200

約数和(自身を除く): 35534952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 47, 58, 72, 87, 94, 116, 141, 174, 188, 193, 232, 261, 282, 348, 376, 386, 423, 522, 564, 579, 696, 772, 846, 1044, 1128, 1158, 1363, 1544, 1692, 1737, 2088, 2316, 2726, 3384, 3474, 4089, 4632, 5452, 5597, 6948, 8178, 9071, 10904, 11194, 12267, 13896, 16356, 16791, 18142, 22388, 24534, 27213, 32712, 33582, 36284, 44776, 49068, 50373, 54426, 67164, 72568, 81639, 98136, 100746, 108852, 134328, 163278, 201492, 217704, 263059, 326556, 402984, 526118, 653112, 789177, 1052236, 1578354, 2104472, 2367531, 3156708, 4735062, 6313416, 9470124, 18940248]

約数ペア:

[(1, 18940248), (2, 9470124), (3, 6313416), (4, 4735062), (6, 3156708), (8, 2367531), (9, 2104472), (12, 1578354), (18, 1052236), (24, 789177), (29, 653112), (36, 526118), (47, 402984), (58, 326556), (72, 263059), (87, 217704), (94, 201492), (116, 163278), (141, 134328), (174, 108852), (188, 100746), (193, 98136), (232, 81639), (261, 72568), (282, 67164), (348, 54426), (376, 50373), (386, 49068), (423, 44776), (522, 36284), (564, 33582), (579, 32712), (696, 27213), (772, 24534), (846, 22388), (1044, 18142), (1128, 16791), (1158, 16356), (1363, 13896), (1544, 12267), (1692, 11194), (1737, 10904), (2088, 9071), (2316, 8178), (2726, 6948), (3384, 5597), (3474, 5452), (4089, 4632)]