18353770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 34732800

約数和(自身を除く): 16379030

約数列:

[1, 2, 5, 10, 23, 46, 115, 199, 230, 398, 401, 802, 995, 1990, 2005, 4010, 4577, 9154, 9223, 18446, 22885, 45770, 46115, 79799, 92230, 159598, 398995, 797990, 1835377, 3670754, 9176885, 18353770]

約数ペア:

[(1, 18353770), (2, 9176885), (5, 3670754), (10, 1835377), (23, 797990), (46, 398995), (115, 159598), (199, 92230), (230, 79799), (398, 46115), (401, 45770), (802, 22885), (995, 18446), (1990, 9223), (2005, 9154), (4010, 4577)]