18327328

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 37731960

約数和(自身を除く): 19404632

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 82, 122, 164, 229, 244, 328, 458, 488, 656, 916, 976, 1312, 1832, 1952, 2501, 3664, 5002, 7328, 9389, 10004, 13969, 18778, 20008, 27938, 37556, 40016, 55876, 75112, 80032, 111752, 150224, 223504, 300448, 447008, 572729, 1145458, 2290916, 4581832, 9163664, 18327328]

約数ペア:

[(1, 18327328), (2, 9163664), (4, 4581832), (8, 2290916), (16, 1145458), (32, 572729), (41, 447008), (61, 300448), (82, 223504), (122, 150224), (164, 111752), (229, 80032), (244, 75112), (328, 55876), (458, 40016), (488, 37556), (656, 27938), (916, 20008), (976, 18778), (1312, 13969), (1832, 10004), (1952, 9389), (2501, 7328), (3664, 5002)]