19673145

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3389}}^1$

素因数の和:3446

約数の個数: 32

約数和(自身を含む): 35798400

約数和(自身を除く): 16125255

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3389, 5805, 10167, 16945, 30501, 50835, 91503, 145727, 152505, 437181, 457515, 728635, 1311543, 2185905, 3934629, 6557715, 19673145]

約数ペア:

[(1, 19673145), (3, 6557715), (5, 3934629), (9, 2185905), (15, 1311543), (27, 728635), (43, 457515), (45, 437181), (129, 152505), (135, 145727), (215, 91503), (387, 50835), (645, 30501), (1161, 16945), (1935, 10167), (3389, 5805)]