18172938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3407}}^1$

素因数の和:3546

約数の個数: 32

約数和(自身を含む): 41877504

約数和(自身を除く): 23704566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3407, 5334, 6814, 10221, 20442, 23849, 47698, 71547, 143094, 432689, 865378, 1298067, 2596134, 3028823, 6057646, 9086469, 18172938]

約数ペア:

[(1, 18172938), (2, 9086469), (3, 6057646), (6, 3028823), (7, 2596134), (14, 1298067), (21, 865378), (42, 432689), (127, 143094), (254, 71547), (381, 47698), (762, 23849), (889, 20442), (1778, 10221), (2667, 6814), (3407, 5334)]