19148794

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 33872256

約数和(自身を除く): 14723462

約数列:

[1, 2, 7, 14, 53, 106, 131, 197, 262, 371, 394, 742, 917, 1379, 1834, 2758, 6943, 10441, 13886, 20882, 25807, 48601, 51614, 73087, 97202, 146174, 180649, 361298, 1367771, 2735542, 9574397, 19148794]

約数ペア:

[(1, 19148794), (2, 9574397), (7, 2735542), (14, 1367771), (53, 361298), (106, 180649), (131, 146174), (197, 97202), (262, 73087), (371, 51614), (394, 48601), (742, 25807), (917, 20882), (1379, 13886), (1834, 10441), (2758, 6943)]