19131064

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 36828000

約数和(自身を除く): 17696936

約数列:

[1, 2, 4, 8, 61, 122, 197, 199, 244, 394, 398, 488, 788, 796, 1576, 1592, 12017, 12139, 24034, 24278, 39203, 48068, 48556, 78406, 96136, 97112, 156812, 313624, 2391383, 4782766, 9565532, 19131064]

約数ペア:

[(1, 19131064), (2, 9565532), (4, 4782766), (8, 2391383), (61, 313624), (122, 156812), (197, 97112), (199, 96136), (244, 78406), (394, 48556), (398, 48068), (488, 39203), (788, 24278), (796, 24034), (1576, 12139), (1592, 12017)]