19560485

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 28207872

約数和(自身を除く): 8647387

約数列:

[1, 5, 7, 35, 41, 43, 205, 215, 287, 301, 317, 1435, 1505, 1585, 1763, 2219, 8815, 11095, 12341, 12997, 13631, 61705, 64985, 68155, 90979, 95417, 454895, 477085, 558871, 2794355, 3912097, 19560485]

約数ペア:

[(1, 19560485), (5, 3912097), (7, 2794355), (35, 558871), (41, 477085), (43, 454895), (205, 95417), (215, 90979), (287, 68155), (301, 64985), (317, 61705), (1435, 13631), (1505, 12997), (1585, 12341), (1763, 11095), (2219, 8815)]