19963164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1753}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 50880032

約数和(自身を除く): 30916868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1753, 1898, 2847, 3506, 3796, 5259, 5694, 7012, 10518, 11388, 21036, 22789, 45578, 68367, 91156, 127969, 136734, 255938, 273468, 383907, 511876, 767814, 1535628, 1663597, 3327194, 4990791, 6654388, 9981582, 19963164]

約数ペア:

[(1, 19963164), (2, 9981582), (3, 6654388), (4, 4990791), (6, 3327194), (12, 1663597), (13, 1535628), (26, 767814), (39, 511876), (52, 383907), (73, 273468), (78, 255938), (146, 136734), (156, 127969), (219, 91156), (292, 68367), (438, 45578), (876, 22789), (949, 21036), (1753, 11388), (1898, 10518), (2847, 7012), (3506, 5694), (3796, 5259)]