19011806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 13163554

約数列:

[1, 2, 11, 22, 59, 97, 118, 151, 194, 302, 649, 1067, 1298, 1661, 2134, 3322, 5723, 8909, 11446, 14647, 17818, 29294, 62953, 97999, 125906, 161117, 195998, 322234, 864173, 1728346, 9505903, 19011806]

約数ペア:

[(1, 19011806), (2, 9505903), (11, 1728346), (22, 864173), (59, 322234), (97, 195998), (118, 161117), (151, 125906), (194, 97999), (302, 62953), (649, 29294), (1067, 17818), (1298, 14647), (1661, 11446), (2134, 8909), (3322, 5723)]