19913278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 37490688

約数和(自身を除く): 17577410

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 191, 382, 677, 1337, 1354, 2101, 2674, 4202, 4739, 7447, 9478, 14707, 14894, 29414, 52129, 104258, 129307, 258614, 905149, 1422377, 1810298, 2844754, 9956639, 19913278]

約数ペア:

[(1, 19913278), (2, 9956639), (7, 2844754), (11, 1810298), (14, 1422377), (22, 905149), (77, 258614), (154, 129307), (191, 104258), (382, 52129), (677, 29414), (1337, 14894), (1354, 14707), (2101, 9478), (2674, 7447), (4202, 4739)]