19401774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 28498386

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 266, 287, 399, 574, 593, 779, 798, 861, 1186, 1558, 1722, 1779, 2337, 3558, 4151, 4674, 5453, 8302, 10906, 11267, 12453, 16359, 22534, 24313, 24906, 32718, 33801, 48626, 67602, 72939, 78869, 145878, 157738, 170191, 236607, 340382, 461947, 473214, 510573, 923894, 1021146, 1385841, 2771682, 3233629, 6467258, 9700887, 19401774]

約数ペア:

[(1, 19401774), (2, 9700887), (3, 6467258), (6, 3233629), (7, 2771682), (14, 1385841), (19, 1021146), (21, 923894), (38, 510573), (41, 473214), (42, 461947), (57, 340382), (82, 236607), (114, 170191), (123, 157738), (133, 145878), (246, 78869), (266, 72939), (287, 67602), (399, 48626), (574, 33801), (593, 32718), (779, 24906), (798, 24313), (861, 22534), (1186, 16359), (1558, 12453), (1722, 11267), (1779, 10906), (2337, 8302), (3558, 5453), (4151, 4674)]