1819974590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{2819}}^1$

素因数の和:3257

約数の個数: 64

約数和(自身を含む): 3917859840

約数和(自身を除く): 2097885250

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 401, 802, 805, 1610, 2005, 2807, 2819, 4010, 5614, 5638, 9223, 14035, 14095, 18446, 19733, 28070, 28190, 39466, 46115, 64561, 64837, 92230, 98665, 129122, 129674, 197330, 322805, 324185, 453859, 645610, 648370, 907718, 1130419, 2260838, 2269295, 4538590, 5652095, 7912933, 11304190, 15825866, 25999637, 39564665, 51999274, 79129330, 129998185, 181997459, 259996370, 363994918, 909987295, 1819974590]

約数ペア:

[(1, 1819974590), (2, 909987295), (5, 363994918), (7, 259996370), (10, 181997459), (14, 129998185), (23, 79129330), (35, 51999274), (46, 39564665), (70, 25999637), (115, 15825866), (161, 11304190), (230, 7912933), (322, 5652095), (401, 4538590), (802, 2269295), (805, 2260838), (1610, 1130419), (2005, 907718), (2807, 648370), (2819, 645610), (4010, 453859), (5614, 324185), (5638, 322805), (9223, 197330), (14035, 129674), (14095, 129122), (18446, 98665), (19733, 92230), (28070, 64837), (28190, 64561), (39466, 46115)]