18537412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 36091440

約数和(自身を除く): 17554028

約数列:

[1, 2, 4, 17, 34, 41, 61, 68, 82, 109, 122, 164, 218, 244, 436, 697, 1037, 1394, 1853, 2074, 2501, 2788, 3706, 4148, 4469, 5002, 6649, 7412, 8938, 10004, 13298, 17876, 26596, 42517, 75973, 85034, 113033, 151946, 170068, 226066, 272609, 303892, 452132, 545218, 1090436, 4634353, 9268706, 18537412]

約数ペア:

[(1, 18537412), (2, 9268706), (4, 4634353), (17, 1090436), (34, 545218), (41, 452132), (61, 303892), (68, 272609), (82, 226066), (109, 170068), (122, 151946), (164, 113033), (218, 85034), (244, 75973), (436, 42517), (697, 26596), (1037, 17876), (1394, 13298), (1853, 10004), (2074, 8938), (2501, 7412), (2788, 6649), (3706, 5002), (4148, 4469)]