19689098

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 35525952

約数和(自身を除く): 15836854

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1601, 3202, 6149, 12298, 17611, 20813, 35222, 41626, 68843, 137686, 228943, 457886, 757273, 894959, 1514546, 1789918, 9844549, 19689098]

約数ペア:

[(1, 19689098), (2, 9844549), (11, 1789918), (13, 1514546), (22, 894959), (26, 757273), (43, 457886), (86, 228943), (143, 137686), (286, 68843), (473, 41626), (559, 35222), (946, 20813), (1118, 17611), (1601, 12298), (3202, 6149)]