74638156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{991}}^2$

素因数の和:2005

約数の個数: 18

約数和(自身を含む): 137630220

約数和(自身を除く): 62992064

約数列:

[1, 2, 4, 19, 38, 76, 991, 1982, 3964, 18829, 37658, 75316, 982081, 1964162, 3928324, 18659539, 37319078, 74638156]

約数ペア:

[(1, 74638156), (2, 37319078), (4, 18659539), (19, 3928324), (38, 1964162), (76, 982081), (991, 75316), (1982, 37658), (3964, 18829)]