19253283

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11389917

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 349, 497, 777, 1047, 1491, 2443, 2627, 7329, 7881, 12913, 18389, 24779, 38739, 55167, 74337, 90391, 173453, 271173, 520359, 916823, 2750469, 6417761, 19253283]

約数ペア:

[(1, 19253283), (3, 6417761), (7, 2750469), (21, 916823), (37, 520359), (71, 271173), (111, 173453), (213, 90391), (259, 74337), (349, 55167), (497, 38739), (777, 24779), (1047, 18389), (1491, 12913), (2443, 7881), (2627, 7329)]