18450140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 24127780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2111, 2185, 4222, 4370, 8444, 8740, 10555, 21110, 40109, 42220, 48553, 80218, 97106, 160436, 194212, 200545, 242765, 401090, 485530, 802180, 922507, 971060, 1845014, 3690028, 4612535, 9225070, 18450140]

約数ペア:

[(1, 18450140), (2, 9225070), (4, 4612535), (5, 3690028), (10, 1845014), (19, 971060), (20, 922507), (23, 802180), (38, 485530), (46, 401090), (76, 242765), (92, 200545), (95, 194212), (115, 160436), (190, 97106), (230, 80218), (380, 48553), (437, 42220), (460, 40109), (874, 21110), (1748, 10555), (2111, 8740), (2185, 8444), (4222, 4370)]