191900019

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{4789}}^1$

素因数の和:4867

約数の個数: 24

約数和(自身を含む): 277398480

約数和(自身を除く): 85498461

約数列:

[1, 3, 19, 37, 57, 111, 361, 703, 1083, 2109, 4789, 13357, 14367, 40071, 90991, 177193, 272973, 531579, 1728829, 3366667, 5186487, 10100001, 63966673, 191900019]

約数ペア:

[(1, 191900019), (3, 63966673), (19, 10100001), (37, 5186487), (57, 3366667), (111, 1728829), (361, 531579), (703, 272973), (1083, 177193), (2109, 90991), (4789, 40071), (13357, 14367)]