19120612

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 40714240

約数和(自身を除く): 21593628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 254, 266, 283, 508, 532, 566, 889, 1132, 1778, 1981, 2413, 3556, 3962, 4826, 5377, 7924, 9652, 10754, 16891, 21508, 33782, 35941, 37639, 67564, 71882, 75278, 143764, 150556, 251587, 503174, 682879, 1006348, 1365758, 2731516, 4780153, 9560306, 19120612]

約数ペア:

[(1, 19120612), (2, 9560306), (4, 4780153), (7, 2731516), (14, 1365758), (19, 1006348), (28, 682879), (38, 503174), (76, 251587), (127, 150556), (133, 143764), (254, 75278), (266, 71882), (283, 67564), (508, 37639), (532, 35941), (566, 33782), (889, 21508), (1132, 16891), (1778, 10754), (1981, 9652), (2413, 7924), (3556, 5377), (3962, 4826)]