19126415

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 29942784

約数和(自身を除く): 10816369

約数列:

[1, 5, 7, 11, 35, 47, 49, 55, 77, 151, 235, 245, 329, 385, 517, 539, 755, 1057, 1645, 1661, 2303, 2585, 2695, 3619, 5285, 7097, 7399, 8305, 11515, 11627, 18095, 25333, 35485, 36995, 49679, 58135, 78067, 81389, 126665, 248395, 347753, 390335, 406945, 546469, 1738765, 2732345, 3825283, 19126415]

約数ペア:

[(1, 19126415), (5, 3825283), (7, 2732345), (11, 1738765), (35, 546469), (47, 406945), (49, 390335), (55, 347753), (77, 248395), (151, 126665), (235, 81389), (245, 78067), (329, 58135), (385, 49679), (517, 36995), (539, 35485), (755, 25333), (1057, 18095), (1645, 11627), (1661, 11515), (2303, 8305), (2585, 7399), (2695, 7097), (3619, 5285)]