19789132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 39309984

約数和(自身を除く): 19520852

約数列:

[1, 2, 4, 11, 22, 44, 61, 73, 101, 122, 146, 202, 244, 292, 404, 671, 803, 1111, 1342, 1606, 2222, 2684, 3212, 4444, 4453, 6161, 7373, 8906, 12322, 14746, 17812, 24644, 29492, 48983, 67771, 81103, 97966, 135542, 162206, 195932, 271084, 324412, 449753, 899506, 1799012, 4947283, 9894566, 19789132]

約数ペア:

[(1, 19789132), (2, 9894566), (4, 4947283), (11, 1799012), (22, 899506), (44, 449753), (61, 324412), (73, 271084), (101, 195932), (122, 162206), (146, 135542), (202, 97966), (244, 81103), (292, 67771), (404, 48983), (671, 29492), (803, 24644), (1111, 17812), (1342, 14746), (1606, 12322), (2222, 8906), (2684, 7373), (3212, 6161), (4444, 4453)]