19927894

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 35271936

約数和(自身を除く): 15344042

約数列:

[1, 2, 7, 14, 53, 106, 107, 214, 251, 371, 502, 742, 749, 1498, 1757, 3514, 5671, 11342, 13303, 26606, 26857, 39697, 53714, 79394, 93121, 186242, 187999, 375998, 1423421, 2846842, 9963947, 19927894]

約数ペア:

[(1, 19927894), (2, 9963947), (7, 2846842), (14, 1423421), (53, 375998), (106, 187999), (107, 186242), (214, 93121), (251, 79394), (371, 53714), (502, 39697), (742, 26857), (749, 26606), (1498, 13303), (1757, 11342), (3514, 5671)]