19006984

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 17583416

約数列:

[1, 2, 4, 8, 71, 109, 142, 218, 284, 307, 436, 568, 614, 872, 1228, 2456, 7739, 15478, 21797, 30956, 33463, 43594, 61912, 66926, 87188, 133852, 174376, 267704, 2375873, 4751746, 9503492, 19006984]

約数ペア:

[(1, 19006984), (2, 9503492), (4, 4751746), (8, 2375873), (71, 267704), (109, 174376), (142, 133852), (218, 87188), (284, 66926), (307, 61912), (436, 43594), (568, 33463), (614, 30956), (872, 21797), (1228, 15478), (2456, 7739)]