20191884

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 29401716

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 149, 276, 298, 447, 491, 596, 894, 982, 1473, 1788, 1964, 2946, 3427, 5892, 6854, 10281, 11293, 13708, 20562, 22586, 33879, 41124, 45172, 67758, 73159, 135516, 146318, 219477, 292636, 438954, 877908, 1682657, 3365314, 5047971, 6730628, 10095942, 20191884]

約数ペア:

[(1, 20191884), (2, 10095942), (3, 6730628), (4, 5047971), (6, 3365314), (12, 1682657), (23, 877908), (46, 438954), (69, 292636), (92, 219477), (138, 146318), (149, 135516), (276, 73159), (298, 67758), (447, 45172), (491, 41124), (596, 33879), (894, 22586), (982, 20562), (1473, 13708), (1788, 11293), (1964, 10281), (2946, 6854), (3427, 5892)]