19311644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 19274596

約数列:

[1, 2, 4, 11, 22, 43, 44, 59, 86, 118, 172, 173, 236, 346, 473, 649, 692, 946, 1298, 1892, 1903, 2537, 2596, 3806, 5074, 7439, 7612, 10148, 10207, 14878, 20414, 27907, 29756, 40828, 55814, 81829, 111628, 112277, 163658, 224554, 327316, 438901, 449108, 877802, 1755604, 4827911, 9655822, 19311644]

約数ペア:

[(1, 19311644), (2, 9655822), (4, 4827911), (11, 1755604), (22, 877802), (43, 449108), (44, 438901), (59, 327316), (86, 224554), (118, 163658), (172, 112277), (173, 111628), (236, 81829), (346, 55814), (473, 40828), (649, 29756), (692, 27907), (946, 20414), (1298, 14878), (1892, 10207), (1903, 10148), (2537, 7612), (2596, 7439), (3806, 5074)]