19043596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 20540564

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 197, 286, 338, 394, 572, 676, 788, 1859, 2167, 2197, 2561, 3718, 4334, 4394, 5122, 7436, 8668, 8788, 10244, 24167, 28171, 33293, 48334, 56342, 66586, 96668, 112684, 133172, 366223, 432809, 732446, 865618, 1464892, 1731236, 4760899, 9521798, 19043596]

約数ペア:

[(1, 19043596), (2, 9521798), (4, 4760899), (11, 1731236), (13, 1464892), (22, 865618), (26, 732446), (44, 432809), (52, 366223), (143, 133172), (169, 112684), (197, 96668), (286, 66586), (338, 56342), (394, 48334), (572, 33293), (676, 28171), (788, 24167), (1859, 10244), (2167, 8788), (2197, 8668), (2561, 7436), (3718, 5122), (4334, 4394)]