18695490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 49375872

約数和(自身を除く): 30680382

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 181, 313, 330, 362, 543, 626, 905, 939, 1086, 1565, 1810, 1878, 1991, 2715, 3130, 3443, 3982, 4695, 5430, 5973, 6886, 9390, 9955, 10329, 11946, 17215, 19910, 20658, 29865, 34430, 51645, 56653, 59730, 103290, 113306, 169959, 283265, 339918, 566530, 623183, 849795, 1246366, 1699590, 1869549, 3115915, 3739098, 6231830, 9347745, 18695490]

約数ペア:

[(1, 18695490), (2, 9347745), (3, 6231830), (5, 3739098), (6, 3115915), (10, 1869549), (11, 1699590), (15, 1246366), (22, 849795), (30, 623183), (33, 566530), (55, 339918), (66, 283265), (110, 169959), (165, 113306), (181, 103290), (313, 59730), (330, 56653), (362, 51645), (543, 34430), (626, 29865), (905, 20658), (939, 19910), (1086, 17215), (1565, 11946), (1810, 10329), (1878, 9955), (1991, 9390), (2715, 6886), (3130, 5973), (3443, 5430), (3982, 4695)]