19738004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3176

約数の個数: 36

約数和(自身を含む): 40900692

約数和(自身を除く): 21162688

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3137, 3146, 6274, 6292, 12548, 34507, 40781, 69014, 81562, 138028, 163124, 379577, 448591, 759154, 897182, 1518308, 1794364, 4934501, 9869002, 19738004]

約数ペア:

[(1, 19738004), (2, 9869002), (4, 4934501), (11, 1794364), (13, 1518308), (22, 897182), (26, 759154), (44, 448591), (52, 379577), (121, 163124), (143, 138028), (242, 81562), (286, 69014), (484, 40781), (572, 34507), (1573, 12548), (3137, 6292), (3146, 6274)]