16978518

素因数分解:

$2^1\times 3^3\times {\mathrm{229}}^1\times {\mathrm{1373}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 37922400

約数和(自身を除く): 20943882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 229, 458, 687, 1373, 1374, 2061, 2746, 4119, 4122, 6183, 8238, 12357, 12366, 24714, 37071, 74142, 314417, 628834, 943251, 1886502, 2829753, 5659506, 8489259, 16978518]

約数ペア:

[(1, 16978518), (2, 8489259), (3, 5659506), (6, 2829753), (9, 1886502), (18, 943251), (27, 628834), (54, 314417), (229, 74142), (458, 37071), (687, 24714), (1373, 12366), (1374, 12357), (2061, 8238), (2746, 6183), (4119, 4122)]