19260021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 29454336

約数和(自身を除く): 10194315

約数列:

[1, 3, 11, 31, 33, 67, 93, 201, 281, 341, 737, 843, 1023, 2077, 2211, 3091, 6231, 8711, 9273, 18827, 22847, 26133, 56481, 68541, 95821, 207097, 287463, 583637, 621291, 1750911, 6420007, 19260021]

約数ペア:

[(1, 19260021), (3, 6420007), (11, 1750911), (31, 621291), (33, 583637), (67, 287463), (93, 207097), (201, 95821), (281, 68541), (341, 56481), (737, 26133), (843, 22847), (1023, 18827), (2077, 9273), (2211, 8711), (3091, 6231)]