18718338

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 38390400

約数和(自身を除く): 19672062

約数列:

[1, 2, 3, 6, 61, 122, 183, 199, 257, 366, 398, 514, 597, 771, 1194, 1542, 12139, 15677, 24278, 31354, 36417, 47031, 51143, 72834, 94062, 102286, 153429, 306858, 3119723, 6239446, 9359169, 18718338]

約数ペア:

[(1, 18718338), (2, 9359169), (3, 6239446), (6, 3119723), (61, 306858), (122, 153429), (183, 102286), (199, 94062), (257, 72834), (366, 51143), (398, 47031), (514, 36417), (597, 31354), (771, 24278), (1194, 15677), (1542, 12139)]