18221994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 49061376

約数和(自身を除く): 30839382

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 47, 51, 63, 94, 102, 119, 126, 141, 153, 181, 238, 282, 306, 329, 357, 362, 423, 543, 658, 714, 799, 846, 987, 1071, 1086, 1267, 1598, 1629, 1974, 2142, 2397, 2534, 2961, 3077, 3258, 3801, 4794, 5593, 5922, 6154, 7191, 7602, 8507, 9231, 11186, 11403, 14382, 16779, 17014, 18462, 21539, 22806, 25521, 27693, 33558, 43078, 50337, 51042, 55386, 59549, 64617, 76563, 100674, 119098, 129234, 144619, 153126, 178647, 193851, 289238, 357294, 387702, 433857, 535941, 867714, 1012333, 1071882, 1301571, 2024666, 2603142, 3036999, 6073998, 9110997, 18221994]

約数ペア:

[(1, 18221994), (2, 9110997), (3, 6073998), (6, 3036999), (7, 2603142), (9, 2024666), (14, 1301571), (17, 1071882), (18, 1012333), (21, 867714), (34, 535941), (42, 433857), (47, 387702), (51, 357294), (63, 289238), (94, 193851), (102, 178647), (119, 153126), (126, 144619), (141, 129234), (153, 119098), (181, 100674), (238, 76563), (282, 64617), (306, 59549), (329, 55386), (357, 51042), (362, 50337), (423, 43078), (543, 33558), (658, 27693), (714, 25521), (799, 22806), (846, 21539), (987, 18462), (1071, 17014), (1086, 16779), (1267, 14382), (1598, 11403), (1629, 11186), (1974, 9231), (2142, 8507), (2397, 7602), (2534, 7191), (2961, 6154), (3077, 5922), (3258, 5593), (3801, 4794)]