19834352

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 39806976

約数和(自身を除く): 19972624

約数列:

[1, 2, 4, 8, 16, 43, 86, 127, 172, 227, 254, 344, 454, 508, 688, 908, 1016, 1816, 2032, 3632, 5461, 9761, 10922, 19522, 21844, 28829, 39044, 43688, 57658, 78088, 87376, 115316, 156176, 230632, 461264, 1239647, 2479294, 4958588, 9917176, 19834352]

約数ペア:

[(1, 19834352), (2, 9917176), (4, 4958588), (8, 2479294), (16, 1239647), (43, 461264), (86, 230632), (127, 156176), (172, 115316), (227, 87376), (254, 78088), (344, 57658), (454, 43688), (508, 39044), (688, 28829), (908, 21844), (1016, 19522), (1816, 10922), (2032, 9761), (3632, 5461)]