18340586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 34992000

約数和(自身を除く): 16651414

約数列:

[1, 2, 11, 17, 19, 22, 29, 34, 38, 58, 89, 178, 187, 209, 319, 323, 374, 418, 493, 551, 638, 646, 979, 986, 1102, 1513, 1691, 1958, 2581, 3026, 3382, 3553, 5162, 5423, 6061, 7106, 9367, 10846, 12122, 16643, 18601, 18734, 28391, 28747, 33286, 37202, 43877, 49039, 56782, 57494, 87754, 98078, 103037, 206074, 316217, 482647, 539429, 632434, 833663, 965294, 1078858, 1667326, 9170293, 18340586]

約数ペア:

[(1, 18340586), (2, 9170293), (11, 1667326), (17, 1078858), (19, 965294), (22, 833663), (29, 632434), (34, 539429), (38, 482647), (58, 316217), (89, 206074), (178, 103037), (187, 98078), (209, 87754), (319, 57494), (323, 56782), (374, 49039), (418, 43877), (493, 37202), (551, 33286), (638, 28747), (646, 28391), (979, 18734), (986, 18601), (1102, 16643), (1513, 12122), (1691, 10846), (1958, 9367), (2581, 7106), (3026, 6061), (3382, 5423), (3553, 5162)]