19834438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 33286176

約数和(自身を除く): 13451738

約数列:

[1, 2, 13, 26, 43, 86, 113, 157, 226, 314, 559, 1118, 1469, 2041, 2938, 4082, 4859, 6751, 9718, 13502, 17741, 35482, 63167, 87763, 126334, 175526, 230633, 461266, 762863, 1525726, 9917219, 19834438]

約数ペア:

[(1, 19834438), (2, 9917219), (13, 1525726), (26, 762863), (43, 461266), (86, 230633), (113, 175526), (157, 126334), (226, 87763), (314, 63167), (559, 35482), (1118, 17741), (1469, 13502), (2041, 9718), (2938, 6751), (4082, 4859)]