19719226

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 32497920

約数和(自身を除く): 12778694

約数列:

[1, 2, 19, 38, 47, 61, 94, 122, 181, 362, 893, 1159, 1786, 2318, 2867, 3439, 5734, 6878, 8507, 11041, 17014, 22082, 54473, 108946, 161633, 209779, 323266, 419558, 518927, 1037854, 9859613, 19719226]

約数ペア:

[(1, 19719226), (2, 9859613), (19, 1037854), (38, 518927), (47, 419558), (61, 323266), (94, 209779), (122, 161633), (181, 108946), (362, 54473), (893, 22082), (1159, 17014), (1786, 11041), (2318, 8507), (2867, 6878), (3439, 5734)]