30787828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9421}}^1$

素因数の和:9487

約数の個数: 24

約数和(自身を含む): 58039520

約数和(自身を除く): 27251692

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 9421, 18842, 37684, 178999, 357998, 405103, 715996, 810206, 1620412, 7696957, 15393914, 30787828]

約数ペア:

[(1, 30787828), (2, 15393914), (4, 7696957), (19, 1620412), (38, 810206), (43, 715996), (76, 405103), (86, 357998), (172, 178999), (817, 37684), (1634, 18842), (3268, 9421)]