19829784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{4889}}^1$

素因数の和:4924

約数の個数: 48

約数和(自身を含む): 53692200

約数和(自身を除く): 33862416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 4889, 9778, 14667, 19556, 29334, 39112, 58668, 63557, 117336, 127114, 190671, 254228, 381342, 508456, 762684, 826241, 1525368, 1652482, 2478723, 3304964, 4957446, 6609928, 9914892, 19829784]

約数ペア:

[(1, 19829784), (2, 9914892), (3, 6609928), (4, 4957446), (6, 3304964), (8, 2478723), (12, 1652482), (13, 1525368), (24, 826241), (26, 762684), (39, 508456), (52, 381342), (78, 254228), (104, 190671), (156, 127114), (169, 117336), (312, 63557), (338, 58668), (507, 39112), (676, 29334), (1014, 19556), (1352, 14667), (2028, 9778), (4056, 4889)]