18646278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3389}}^1$

素因数の和:3532

約数の個数: 32

約数和(自身を含む): 42958080

約数和(自身を除く): 24311802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3389, 5502, 6778, 10167, 20334, 23723, 47446, 71169, 142338, 443959, 887918, 1331877, 2663754, 3107713, 6215426, 9323139, 18646278]

約数ペア:

[(1, 18646278), (2, 9323139), (3, 6215426), (6, 3107713), (7, 2663754), (14, 1331877), (21, 887918), (42, 443959), (131, 142338), (262, 71169), (393, 47446), (786, 23723), (917, 20334), (1834, 10167), (2751, 6778), (3389, 5502)]