19345905

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3049}}^1$

素因数の和:3110

約数の個数: 32

約数和(自身を含む): 35136000

約数和(自身を除く): 15790095

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3049, 6345, 9147, 15245, 27441, 45735, 82323, 137205, 143303, 411615, 429909, 716515, 1289727, 2149545, 3869181, 6448635, 19345905]

約数ペア:

[(1, 19345905), (3, 6448635), (5, 3869181), (9, 2149545), (15, 1289727), (27, 716515), (45, 429909), (47, 411615), (135, 143303), (141, 137205), (235, 82323), (423, 45735), (705, 27441), (1269, 15245), (2115, 9147), (3049, 6345)]