18778764

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3630

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 29363316

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3581, 5244, 7162, 10743, 14324, 21486, 42972, 68039, 82363, 136078, 164726, 204117, 247089, 272156, 329452, 408234, 494178, 816468, 988356, 1564897, 3129794, 4694691, 6259588, 9389382, 18778764]

約数ペア:

[(1, 18778764), (2, 9389382), (3, 6259588), (4, 4694691), (6, 3129794), (12, 1564897), (19, 988356), (23, 816468), (38, 494178), (46, 408234), (57, 329452), (69, 272156), (76, 247089), (92, 204117), (114, 164726), (138, 136078), (228, 82363), (276, 68039), (437, 42972), (874, 21486), (1311, 14324), (1748, 10743), (2622, 7162), (3581, 5244)]