18820942

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 14886578

約数列:

[1, 2, 7, 14, 29, 58, 151, 203, 302, 307, 406, 614, 1057, 2114, 2149, 4298, 4379, 8758, 8903, 17806, 30653, 46357, 61306, 62321, 92714, 124642, 324499, 648998, 1344353, 2688706, 9410471, 18820942]

約数ペア:

[(1, 18820942), (2, 9410471), (7, 2688706), (14, 1344353), (29, 648998), (58, 324499), (151, 124642), (203, 92714), (302, 62321), (307, 61306), (406, 46357), (614, 30653), (1057, 17806), (2114, 8903), (2149, 8758), (4298, 4379)]