18661636

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6871}}^1$

素因数の和:6979

約数の個数: 24

約数和(自身を含む): 37713536

約数和(自身を除く): 19051900

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 6871, 13742, 27484, 48097, 96194, 192388, 666487, 1332974, 2665948, 4665409, 9330818, 18661636]

約数ペア:

[(1, 18661636), (2, 9330818), (4, 4665409), (7, 2665948), (14, 1332974), (28, 666487), (97, 192388), (194, 96194), (388, 48097), (679, 27484), (1358, 13742), (2716, 6871)]