18051290

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 33523200

約数和(自身を除く): 15471910

約数列:

[1, 2, 5, 10, 47, 94, 193, 199, 235, 386, 398, 470, 965, 995, 1930, 1990, 9071, 9353, 18142, 18706, 38407, 45355, 46765, 76814, 90710, 93530, 192035, 384070, 1805129, 3610258, 9025645, 18051290]

約数ペア:

[(1, 18051290), (2, 9025645), (5, 3610258), (10, 1805129), (47, 384070), (94, 192035), (193, 93530), (199, 90710), (235, 76814), (386, 46765), (398, 45355), (470, 38407), (965, 18706), (995, 18142), (1930, 9353), (1990, 9071)]