19201713076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{68777}}^1$

素因数の和:68873

約数の個数: 72

約数和(自身を含む): 42290216640

約数和(自身を除く): 23088503564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 169, 182, 236, 338, 364, 413, 676, 767, 826, 1183, 1534, 1652, 2366, 3068, 4732, 5369, 9971, 10738, 19942, 21476, 39884, 68777, 69797, 137554, 139594, 275108, 279188, 481439, 894101, 962878, 1788202, 1925756, 3576404, 4057843, 6258707, 8115686, 11623313, 12517414, 16231372, 23246626, 25034828, 28404901, 46493252, 52751959, 56809802, 81363191, 105503918, 113619604, 162726382, 211007836, 325452764, 369263713, 685775467, 738527426, 1371550934, 1477054852, 2743101868, 4800428269, 9600856538, 19201713076]

約数ペア:

[(1, 19201713076), (2, 9600856538), (4, 4800428269), (7, 2743101868), (13, 1477054852), (14, 1371550934), (26, 738527426), (28, 685775467), (52, 369263713), (59, 325452764), (91, 211007836), (118, 162726382), (169, 113619604), (182, 105503918), (236, 81363191), (338, 56809802), (364, 52751959), (413, 46493252), (676, 28404901), (767, 25034828), (826, 23246626), (1183, 16231372), (1534, 12517414), (1652, 11623313), (2366, 8115686), (3068, 6258707), (4732, 4057843), (5369, 3576404), (9971, 1925756), (10738, 1788202), (19942, 962878), (21476, 894101), (39884, 481439), (68777, 279188), (69797, 275108), (137554, 139594)]