17918938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 11572262

約数列:

[1, 2, 19, 38, 47, 79, 94, 127, 158, 254, 893, 1501, 1786, 2413, 3002, 3713, 4826, 5969, 7426, 10033, 11938, 20066, 70547, 113411, 141094, 190627, 226822, 381254, 471551, 943102, 8959469, 17918938]

約数ペア:

[(1, 17918938), (2, 8959469), (19, 943102), (38, 471551), (47, 381254), (79, 226822), (94, 190627), (127, 141094), (158, 113411), (254, 70547), (893, 20066), (1501, 11938), (1786, 10033), (2413, 7426), (3002, 5969), (3713, 4826)]