19399204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 37705500

約数和(自身を除く): 18306296

約数列:

[1, 2, 4, 11, 22, 44, 121, 149, 242, 269, 298, 484, 538, 596, 1076, 1639, 2959, 3278, 5918, 6556, 11836, 18029, 32549, 36058, 40081, 65098, 72116, 80162, 130196, 160324, 440891, 881782, 1763564, 4849801, 9699602, 19399204]

約数ペア:

[(1, 19399204), (2, 9699602), (4, 4849801), (11, 1763564), (22, 881782), (44, 440891), (121, 160324), (149, 130196), (242, 80162), (269, 72116), (298, 65098), (484, 40081), (538, 36058), (596, 32549), (1076, 18029), (1639, 11836), (2959, 6556), (3278, 5918)]