19388554

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 10246646

約数列:

[1, 2, 97, 139, 194, 278, 719, 1438, 13483, 26966, 69743, 99941, 139486, 199882, 9694277, 19388554]

約数ペア:

[(1, 19388554), (2, 9694277), (97, 199882), (139, 139486), (194, 99941), (278, 69743), (719, 26966), (1438, 13483)]