19163738

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 33098112

約数和(自身を除く): 13934374

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 313, 506, 626, 1331, 2662, 2783, 3443, 5566, 6886, 7199, 14398, 30613, 37873, 61226, 75746, 79189, 158378, 416603, 833206, 871079, 1742158, 9581869, 19163738]

約数ペア:

[(1, 19163738), (2, 9581869), (11, 1742158), (22, 871079), (23, 833206), (46, 416603), (121, 158378), (242, 79189), (253, 75746), (313, 61226), (506, 37873), (626, 30613), (1331, 14398), (2662, 7199), (2783, 6886), (3443, 5566)]