19606708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 40320000

約数和(自身を除く): 20713292

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 499, 517, 836, 893, 998, 1034, 1786, 1996, 2068, 3572, 5489, 9481, 9823, 10978, 18962, 19646, 21956, 23453, 37924, 39292, 46906, 93812, 104291, 208582, 257983, 417164, 445607, 515966, 891214, 1031932, 1782428, 4901677, 9803354, 19606708]

約数ペア:

[(1, 19606708), (2, 9803354), (4, 4901677), (11, 1782428), (19, 1031932), (22, 891214), (38, 515966), (44, 445607), (47, 417164), (76, 257983), (94, 208582), (188, 104291), (209, 93812), (418, 46906), (499, 39292), (517, 37924), (836, 23453), (893, 21956), (998, 19646), (1034, 18962), (1786, 10978), (1996, 9823), (2068, 9481), (3572, 5489)]