18162628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 36122688

約数和(自身を除く): 17960060

約数列:

[1, 2, 4, 11, 22, 44, 61, 67, 101, 122, 134, 202, 244, 268, 404, 671, 737, 1111, 1342, 1474, 2222, 2684, 2948, 4087, 4444, 6161, 6767, 8174, 12322, 13534, 16348, 24644, 27068, 44957, 67771, 74437, 89914, 135542, 148874, 179828, 271084, 297748, 412787, 825574, 1651148, 4540657, 9081314, 18162628]

約数ペア:

[(1, 18162628), (2, 9081314), (4, 4540657), (11, 1651148), (22, 825574), (44, 412787), (61, 297748), (67, 271084), (101, 179828), (122, 148874), (134, 135542), (202, 89914), (244, 74437), (268, 67771), (404, 44957), (671, 27068), (737, 24644), (1111, 16348), (1342, 13534), (1474, 12322), (2222, 8174), (2684, 6767), (2948, 6161), (4087, 4444)]