2154321802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{407861}}^1$

素因数の和:408021

約数の個数: 16

約数和(自身を含む): 3426040800

約数和(自身を除く): 1271718998

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 407861, 815722, 7749359, 15498718, 56692679, 113385358, 1077160901, 2154321802]

約数ペア:

[(1, 2154321802), (2, 1077160901), (19, 113385358), (38, 56692679), (139, 15498718), (278, 7749359), (2641, 815722), (5282, 407861)]