19373977

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 24903680

約数和(自身を除く): 5529703

約数列:

[1, 7, 19, 31, 37, 127, 133, 217, 259, 589, 703, 889, 1147, 2413, 3937, 4123, 4699, 4921, 8029, 16891, 21793, 27559, 32893, 74803, 89281, 145669, 152551, 523621, 624967, 1019683, 2767711, 19373977]

約数ペア:

[(1, 19373977), (7, 2767711), (19, 1019683), (31, 624967), (37, 523621), (127, 152551), (133, 145669), (217, 89281), (259, 74803), (589, 32893), (703, 27559), (889, 21793), (1147, 16891), (2413, 8029), (3937, 4921), (4123, 4699)]