19936988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7151}}^1$

素因数の和:7213

約数の個数: 24

約数和(自身を含む): 37848384

約数和(自身を除く): 17911396

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7151, 14302, 28604, 121567, 243134, 293191, 486268, 586382, 1172764, 4984247, 9968494, 19936988]

約数ペア:

[(1, 19936988), (2, 9968494), (4, 4984247), (17, 1172764), (34, 586382), (41, 486268), (68, 293191), (82, 243134), (164, 121567), (697, 28604), (1394, 14302), (2788, 7151)]