20161812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8039}}^1$

素因数の和:8076

約数の個数: 48

約数和(自身を含む): 54028800

約数和(自身を除く): 33866988

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 8039, 16078, 24117, 32156, 48234, 88429, 96468, 152741, 176858, 265287, 305482, 353716, 458223, 530574, 610964, 916446, 1061148, 1680151, 1832892, 3360302, 5040453, 6720604, 10080906, 20161812]

約数ペア:

[(1, 20161812), (2, 10080906), (3, 6720604), (4, 5040453), (6, 3360302), (11, 1832892), (12, 1680151), (19, 1061148), (22, 916446), (33, 610964), (38, 530574), (44, 458223), (57, 353716), (66, 305482), (76, 265287), (114, 176858), (132, 152741), (209, 96468), (228, 88429), (418, 48234), (627, 32156), (836, 24117), (1254, 16078), (2508, 8039)]