18256728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 52485120

約数和(自身を除く): 34228392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 271, 401, 542, 802, 813, 1084, 1203, 1604, 1626, 1897, 2168, 2406, 2807, 3208, 3252, 3794, 4812, 5614, 5691, 6504, 7588, 8421, 9624, 11228, 11382, 15176, 16842, 22456, 22764, 33684, 45528, 67368, 108671, 217342, 326013, 434684, 652026, 760697, 869368, 1304052, 1521394, 2282091, 2608104, 3042788, 4564182, 6085576, 9128364, 18256728]

約数ペア:

[(1, 18256728), (2, 9128364), (3, 6085576), (4, 4564182), (6, 3042788), (7, 2608104), (8, 2282091), (12, 1521394), (14, 1304052), (21, 869368), (24, 760697), (28, 652026), (42, 434684), (56, 326013), (84, 217342), (168, 108671), (271, 67368), (401, 45528), (542, 33684), (802, 22764), (813, 22456), (1084, 16842), (1203, 15176), (1604, 11382), (1626, 11228), (1897, 9624), (2168, 8421), (2406, 7588), (2807, 6504), (3208, 5691), (3252, 5614), (3794, 4812)]