18176718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{947}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 41681664

約数和(自身を除く): 23504946

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 947, 1371, 1894, 2742, 2841, 3199, 5682, 6398, 6629, 9597, 13258, 19194, 19887, 39774, 432779, 865558, 1298337, 2596674, 3029453, 6058906, 9088359, 18176718]

約数ペア:

[(1, 18176718), (2, 9088359), (3, 6058906), (6, 3029453), (7, 2596674), (14, 1298337), (21, 865558), (42, 432779), (457, 39774), (914, 19887), (947, 19194), (1371, 13258), (1894, 9597), (2742, 6629), (2841, 6398), (3199, 5682)]