19497.0000000

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 13894848

約数和(自身を除く): 6490678

約数列:

[1, 2, 5, 10, 43, 67, 86, 134, 215, 257, 335, 430, 514, 670, 1285, 2570, 2881, 5762, 11051, 14405, 17219, 22102, 28810, 34438, 55255, 86095, 110510, 172190, 740417, 1480834, 3702085, 7404170]

約数ペア:

[(1, 7404170), (2, 3702085), (5, 1480834), (10, 740417), (43, 172190), (67, 110510), (86, 86095), (134, 55255), (215, 34438), (257, 28810), (335, 22102), (430, 17219), (514, 14405), (670, 11051), (1285, 5762), (2570, 2881)]