18955328

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1459}}^1$

素因数の和:1507

約数の個数: 56

約数和(自身を含む): 44500800

約数和(自身を除く): 25545472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1459, 1624, 1856, 2918, 3248, 5836, 6496, 10213, 11672, 12992, 20426, 23344, 40852, 42311, 46688, 81704, 84622, 93376, 163408, 169244, 296177, 326816, 338488, 592354, 653632, 676976, 1184708, 1353952, 2369416, 2707904, 4738832, 9477664, 18955328]

約数ペア:

[(1, 18955328), (2, 9477664), (4, 4738832), (7, 2707904), (8, 2369416), (14, 1353952), (16, 1184708), (28, 676976), (29, 653632), (32, 592354), (56, 338488), (58, 326816), (64, 296177), (112, 169244), (116, 163408), (203, 93376), (224, 84622), (232, 81704), (406, 46688), (448, 42311), (464, 40852), (812, 23344), (928, 20426), (1459, 12992), (1624, 11672), (1856, 10213), (2918, 6496), (3248, 5836)]