19544044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 18981716

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 89, 103, 164, 178, 206, 356, 412, 533, 1066, 1157, 1339, 2132, 2314, 2678, 3649, 4223, 4628, 5356, 7298, 8446, 9167, 14596, 16892, 18334, 36668, 47437, 54899, 94874, 109798, 119171, 189748, 219596, 238342, 375847, 476684, 751694, 1503388, 4886011, 9772022, 19544044]

約数ペア:

[(1, 19544044), (2, 9772022), (4, 4886011), (13, 1503388), (26, 751694), (41, 476684), (52, 375847), (82, 238342), (89, 219596), (103, 189748), (164, 119171), (178, 109798), (206, 94874), (356, 54899), (412, 47437), (533, 36668), (1066, 18334), (1157, 16892), (1339, 14596), (2132, 9167), (2314, 8446), (2678, 7298), (3649, 5356), (4223, 4628)]