19850766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 43054368

約数和(自身を除く): 23203602

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 1621, 2041, 3242, 4082, 4863, 6123, 9726, 12246, 21073, 42146, 63219, 126438, 254497, 508994, 763491, 1526982, 3308461, 6616922, 9925383, 19850766]

約数ペア:

[(1, 19850766), (2, 9925383), (3, 6616922), (6, 3308461), (13, 1526982), (26, 763491), (39, 508994), (78, 254497), (157, 126438), (314, 63219), (471, 42146), (942, 21073), (1621, 12246), (2041, 9726), (3242, 6123), (4082, 4863)]