18031636

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 19506284

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 113, 139, 164, 226, 278, 287, 452, 556, 574, 791, 973, 1148, 1582, 1946, 3164, 3892, 4633, 5699, 9266, 11398, 15707, 18532, 22796, 31414, 32431, 39893, 62828, 64862, 79786, 109949, 129724, 159572, 219898, 439796, 643987, 1287974, 2575948, 4507909, 9015818, 18031636]

約数ペア:

[(1, 18031636), (2, 9015818), (4, 4507909), (7, 2575948), (14, 1287974), (28, 643987), (41, 439796), (82, 219898), (113, 159572), (139, 129724), (164, 109949), (226, 79786), (278, 64862), (287, 62828), (452, 39893), (556, 32431), (574, 31414), (791, 22796), (973, 18532), (1148, 15707), (1582, 11398), (1946, 9266), (3164, 5699), (3892, 4633)]