18512718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2089}}^1$

素因数の和:2312

約数の個数: 32

約数和(自身を含む): 42535680

約数和(自身を除く): 24022962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2089, 2954, 4178, 4431, 6267, 8862, 12534, 14623, 29246, 43869, 87738, 440779, 881558, 1322337, 2644674, 3085453, 6170906, 9256359, 18512718]

約数ペア:

[(1, 18512718), (2, 9256359), (3, 6170906), (6, 3085453), (7, 2644674), (14, 1322337), (21, 881558), (42, 440779), (211, 87738), (422, 43869), (633, 29246), (1266, 14623), (1477, 12534), (2089, 8862), (2954, 6267), (4178, 4431)]