201911138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 380419200

約数和(自身を除く): 178508062

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 73, 143, 146, 209, 247, 286, 418, 494, 509, 803, 949, 1018, 1387, 1606, 1898, 2717, 2774, 5434, 5599, 6617, 9671, 10439, 11198, 13234, 15257, 18031, 19342, 20878, 30514, 36062, 37157, 72787, 74314, 106381, 125723, 145574, 198341, 212762, 251446, 396682, 408727, 483041, 705983, 817454, 966082, 1382953, 1411966, 2765906, 5313451, 7765813, 9177779, 10626902, 15531626, 18355558, 100955569, 201911138]

約数ペア:

[(1, 201911138), (2, 100955569), (11, 18355558), (13, 15531626), (19, 10626902), (22, 9177779), (26, 7765813), (38, 5313451), (73, 2765906), (143, 1411966), (146, 1382953), (209, 966082), (247, 817454), (286, 705983), (418, 483041), (494, 408727), (509, 396682), (803, 251446), (949, 212762), (1018, 198341), (1387, 145574), (1606, 125723), (1898, 106381), (2717, 74314), (2774, 72787), (5434, 37157), (5599, 36062), (6617, 30514), (9671, 20878), (10439, 19342), (11198, 18031), (13234, 15257)]