18587130457

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^2\times {\mathrm{677}}^1$

素因数の和:998

約数の個数: 36

約数和(自身を含む): 22562694180

約数和(自身を除く): 3975563723

約数列:

[1, 7, 29, 49, 139, 203, 677, 973, 1421, 4031, 4739, 6811, 19321, 19633, 28217, 33173, 94103, 135247, 137431, 197519, 560309, 658721, 946729, 962017, 2728987, 3922163, 4611047, 13080317, 19102909, 27455141, 91562219, 133720363, 379329193, 640935533, 2655304351, 18587130457]

約数ペア:

[(1, 18587130457), (7, 2655304351), (29, 640935533), (49, 379329193), (139, 133720363), (203, 91562219), (677, 27455141), (973, 19102909), (1421, 13080317), (4031, 4611047), (4739, 3922163), (6811, 2728987), (19321, 962017), (19633, 946729), (28217, 658721), (33173, 560309), (94103, 197519), (135247, 137431)]