19201688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22788712

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 53, 88, 92, 106, 179, 184, 212, 253, 358, 424, 506, 583, 716, 1012, 1166, 1219, 1432, 1969, 2024, 2332, 2438, 3938, 4117, 4664, 4876, 7876, 8234, 9487, 9752, 13409, 15752, 16468, 18974, 26818, 32936, 37948, 45287, 53636, 75896, 90574, 104357, 107272, 181148, 208714, 218201, 362296, 417428, 436402, 834856, 872804, 1745608, 2400211, 4800422, 9600844, 19201688]

約数ペア:

[(1, 19201688), (2, 9600844), (4, 4800422), (8, 2400211), (11, 1745608), (22, 872804), (23, 834856), (44, 436402), (46, 417428), (53, 362296), (88, 218201), (92, 208714), (106, 181148), (179, 107272), (184, 104357), (212, 90574), (253, 75896), (358, 53636), (424, 45287), (506, 37948), (583, 32936), (716, 26818), (1012, 18974), (1166, 16468), (1219, 15752), (1432, 13409), (1969, 9752), (2024, 9487), (2332, 8234), (2438, 7876), (3938, 4876), (4117, 4664)]