19428526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 33586560

約数和(自身を除く): 14158034

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 587, 871, 1174, 1273, 1742, 2546, 7631, 11153, 15262, 16549, 22306, 33098, 39329, 78658, 144989, 289978, 511277, 747251, 1022554, 1494502, 9714263, 19428526]

約数ペア:

[(1, 19428526), (2, 9714263), (13, 1494502), (19, 1022554), (26, 747251), (38, 511277), (67, 289978), (134, 144989), (247, 78658), (494, 39329), (587, 33098), (871, 22306), (1174, 16549), (1273, 15262), (1742, 11153), (2546, 7631)]