18383421

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10646979

約数列:

[1, 3, 7, 21, 53, 83, 159, 199, 249, 371, 581, 597, 1113, 1393, 1743, 4179, 4399, 10547, 13197, 16517, 30793, 31641, 49551, 73829, 92379, 115619, 221487, 346857, 875401, 2626203, 6127807, 18383421]

約数ペア:

[(1, 18383421), (3, 6127807), (7, 2626203), (21, 875401), (53, 346857), (83, 221487), (159, 115619), (199, 92379), (249, 73829), (371, 49551), (581, 31641), (597, 30793), (1113, 16517), (1393, 13197), (1743, 10547), (4179, 4399)]