18421108

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12757}}^1$

素因数の和:12799

約数の個数: 18

約数和(自身を含む): 34025586

約数和(自身を除く): 15604478

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12757, 25514, 51028, 242383, 484766, 969532, 4605277, 9210554, 18421108]

約数ペア:

[(1, 18421108), (2, 9210554), (4, 4605277), (19, 969532), (38, 484766), (76, 242383), (361, 51028), (722, 25514), (1444, 12757)]