19806124

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 36

約数和(自身を含む): 38091816

約数和(自身を除く): 18285692

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 169, 332, 338, 353, 676, 706, 1079, 1412, 2158, 4316, 4589, 9178, 14027, 18356, 28054, 29299, 56108, 58598, 59657, 117196, 119314, 238628, 380887, 761774, 1523548, 4951531, 9903062, 19806124]

約数ペア:

[(1, 19806124), (2, 9903062), (4, 4951531), (13, 1523548), (26, 761774), (52, 380887), (83, 238628), (166, 119314), (169, 117196), (332, 59657), (338, 58598), (353, 56108), (676, 29299), (706, 28054), (1079, 18356), (1412, 14027), (2158, 9178), (4316, 4589)]