19156911785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{57467}}^1$

素因数の和:57542

約数の個数: 48

約数和(自身を含む): 27515678400

約数和(自身を除く): 8358766615

約数列:

[1, 5, 11, 19, 29, 55, 95, 121, 145, 209, 319, 551, 605, 1045, 1595, 2299, 2755, 3509, 6061, 11495, 17545, 30305, 57467, 66671, 287335, 333355, 632137, 1091873, 1666543, 3160685, 5459365, 6953507, 8332715, 12010603, 18331973, 31664317, 34767535, 60053015, 91659865, 132116633, 158321585, 201651703, 348307487, 660583165, 1008258515, 1741537435, 3831382357, 19156911785]

約数ペア:

[(1, 19156911785), (5, 3831382357), (11, 1741537435), (19, 1008258515), (29, 660583165), (55, 348307487), (95, 201651703), (121, 158321585), (145, 132116633), (209, 91659865), (319, 60053015), (551, 34767535), (605, 31664317), (1045, 18331973), (1595, 12010603), (2299, 8332715), (2755, 6953507), (3509, 5459365), (6061, 3160685), (11495, 1666543), (17545, 1091873), (30305, 632137), (57467, 333355), (66671, 287335)]