18257668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 38243520

約数和(自身を除く): 19985852

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 59, 118, 143, 236, 286, 541, 572, 649, 767, 1082, 1298, 1534, 2164, 2596, 3068, 5951, 7033, 8437, 11902, 14066, 16874, 23804, 28132, 31919, 33748, 63838, 77363, 127676, 154726, 309452, 351109, 414947, 702218, 829894, 1404436, 1659788, 4564417, 9128834, 18257668]

約数ペア:

[(1, 18257668), (2, 9128834), (4, 4564417), (11, 1659788), (13, 1404436), (22, 829894), (26, 702218), (44, 414947), (52, 351109), (59, 309452), (118, 154726), (143, 127676), (236, 77363), (286, 63838), (541, 33748), (572, 31919), (649, 28132), (767, 23804), (1082, 16874), (1298, 14066), (1534, 11902), (2164, 8437), (2596, 7033), (3068, 5951)]