19485356

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:470

約数の個数: 36

約数和(自身を含む): 37895424

約数和(自身を除く): 18410068

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 317, 484, 508, 634, 1268, 1397, 2794, 3487, 5588, 6974, 13948, 15367, 30734, 38357, 40259, 61468, 76714, 80518, 153428, 161036, 442849, 885698, 1771396, 4871339, 9742678, 19485356]

約数ペア:

[(1, 19485356), (2, 9742678), (4, 4871339), (11, 1771396), (22, 885698), (44, 442849), (121, 161036), (127, 153428), (242, 80518), (254, 76714), (317, 61468), (484, 40259), (508, 38357), (634, 30734), (1268, 15367), (1397, 13948), (2794, 6974), (3487, 5588)]