19379018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 12588982

約数列:

[1, 2, 23, 29, 46, 58, 73, 146, 199, 398, 667, 1334, 1679, 2117, 3358, 4234, 4577, 5771, 9154, 11542, 14527, 29054, 48691, 97382, 132733, 265466, 334121, 421283, 668242, 842566, 9689509, 19379018]

約数ペア:

[(1, 19379018), (2, 9689509), (23, 842566), (29, 668242), (46, 421283), (58, 334121), (73, 265466), (146, 132733), (199, 97382), (398, 48691), (667, 29054), (1334, 14527), (1679, 11542), (2117, 9154), (3358, 5771), (4234, 4577)]