18680948

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3008

約数の個数: 36

約数和(自身を含む): 38710980

約数和(自身を除く): 20030032

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 2969, 3146, 5938, 6292, 11876, 32659, 38597, 65318, 77194, 130636, 154388, 359249, 424567, 718498, 849134, 1436996, 1698268, 4670237, 9340474, 18680948]

約数ペア:

[(1, 18680948), (2, 9340474), (4, 4670237), (11, 1698268), (13, 1436996), (22, 849134), (26, 718498), (44, 424567), (52, 359249), (121, 154388), (143, 130636), (242, 77194), (286, 65318), (484, 38597), (572, 32659), (1573, 11876), (2969, 6292), (3146, 5938)]