19681518

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 40323456

約数和(自身を除く): 20641938

約数列:

[1, 2, 3, 6, 67, 134, 173, 201, 283, 346, 402, 519, 566, 849, 1038, 1698, 11591, 18961, 23182, 34773, 37922, 48959, 56883, 69546, 97918, 113766, 146877, 293754, 3280253, 6560506, 9840759, 19681518]

約数ペア:

[(1, 19681518), (2, 9840759), (3, 6560506), (6, 3280253), (67, 293754), (134, 146877), (173, 113766), (201, 97918), (283, 69546), (346, 56883), (402, 48959), (519, 37922), (566, 34773), (849, 23182), (1038, 18961), (1698, 11591)]