19120916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 37013760

約数和(自身を除く): 17892844

約数列:

[1, 2, 4, 19, 38, 47, 53, 76, 94, 101, 106, 188, 202, 212, 404, 893, 1007, 1786, 1919, 2014, 2491, 3572, 3838, 4028, 4747, 4982, 5353, 7676, 9494, 9964, 10706, 18988, 21412, 47329, 90193, 94658, 101707, 180386, 189316, 203414, 251591, 360772, 406828, 503182, 1006364, 4780229, 9560458, 19120916]

約数ペア:

[(1, 19120916), (2, 9560458), (4, 4780229), (19, 1006364), (38, 503182), (47, 406828), (53, 360772), (76, 251591), (94, 203414), (101, 189316), (106, 180386), (188, 101707), (202, 94658), (212, 90193), (404, 47329), (893, 21412), (1007, 18988), (1786, 10706), (1919, 9964), (2014, 9494), (2491, 7676), (3572, 5353), (3838, 4982), (4028, 4747)]