19431567368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127839259}}^1$

素因数の和:127839284

約数の個数: 16

約数和(自身を含む): 38351778000

約数和(自身を除く): 18920210632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 127839259, 255678518, 511357036, 1022714072, 2428945921, 4857891842, 9715783684, 19431567368]

約数ペア:

[(1, 19431567368), (2, 9715783684), (4, 4857891842), (8, 2428945921), (19, 1022714072), (38, 511357036), (76, 255678518), (152, 127839259)]