18354909356

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1\times {\mathrm{21121}}^1$

素因数の和:21930

約数の個数: 48

約数和(自身を含む): 37656639552

約数和(自身を除く): 19301730196

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 757, 1148, 1514, 3028, 5299, 10598, 21121, 21196, 31037, 42242, 62074, 84484, 124148, 147847, 217259, 295694, 434518, 591388, 865961, 869036, 1731922, 3463844, 6061727, 12123454, 15988597, 24246908, 31977194, 63954388, 111920179, 223840358, 447680716, 655532477, 1311064954, 2622129908, 4588727339, 9177454678, 18354909356]

約数ペア:

[(1, 18354909356), (2, 9177454678), (4, 4588727339), (7, 2622129908), (14, 1311064954), (28, 655532477), (41, 447680716), (82, 223840358), (164, 111920179), (287, 63954388), (574, 31977194), (757, 24246908), (1148, 15988597), (1514, 12123454), (3028, 6061727), (5299, 3463844), (10598, 1731922), (21121, 869036), (21196, 865961), (31037, 591388), (42242, 434518), (62074, 295694), (84484, 217259), (124148, 147847)]