20199014

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 16572826

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 121, 191, 209, 242, 253, 382, 418, 437, 506, 874, 2101, 2299, 2783, 3629, 4202, 4393, 4598, 4807, 5566, 7258, 8786, 9614, 23111, 39919, 46222, 48323, 52877, 79838, 83467, 96646, 105754, 166934, 439109, 531553, 878218, 918137, 1063106, 1836274, 10099507, 20199014]

約数ペア:

[(1, 20199014), (2, 10099507), (11, 1836274), (19, 1063106), (22, 918137), (23, 878218), (38, 531553), (46, 439109), (121, 166934), (191, 105754), (209, 96646), (242, 83467), (253, 79838), (382, 52877), (418, 48323), (437, 46222), (506, 39919), (874, 23111), (2101, 9614), (2299, 8786), (2783, 7258), (3629, 5566), (4202, 4807), (4393, 4598)]