16990468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 34384896

約数和(自身を除く): 17394428

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 103, 163, 206, 253, 326, 412, 506, 652, 1012, 1133, 1793, 2266, 2369, 3586, 3749, 4532, 4738, 7172, 7498, 9476, 14996, 16789, 26059, 33578, 41239, 52118, 67156, 82478, 104236, 164956, 184679, 369358, 386147, 738716, 772294, 1544588, 4247617, 8495234, 16990468]

約数ペア:

[(1, 16990468), (2, 8495234), (4, 4247617), (11, 1544588), (22, 772294), (23, 738716), (44, 386147), (46, 369358), (92, 184679), (103, 164956), (163, 104236), (206, 82478), (253, 67156), (326, 52118), (412, 41239), (506, 33578), (652, 26059), (1012, 16789), (1133, 14996), (1793, 9476), (2266, 7498), (2369, 7172), (3586, 4738), (3749, 4532)]