19564065

素因数分解:

$3^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{463}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 34967040

約数和(自身を除く): 15402975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 313, 463, 939, 1389, 1565, 2315, 2817, 4167, 4695, 6945, 8451, 12501, 14085, 20835, 42255, 62505, 144919, 434757, 724595, 1304271, 2173785, 3912813, 6521355, 19564065]

約数ペア:

[(1, 19564065), (3, 6521355), (5, 3912813), (9, 2173785), (15, 1304271), (27, 724595), (45, 434757), (135, 144919), (313, 62505), (463, 42255), (939, 20835), (1389, 14085), (1565, 12501), (2315, 8451), (2817, 6945), (4167, 4695)]