18133605

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 38092800

約数和(自身を除く): 19959195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 619, 651, 837, 945, 1085, 1395, 1857, 1953, 3095, 3255, 4185, 4333, 5571, 5859, 9285, 9765, 12999, 16713, 19189, 21665, 27855, 29295, 38997, 57567, 64995, 83565, 95945, 116991, 134323, 172701, 194985, 287835, 402969, 518103, 584955, 671615, 863505, 1208907, 2014845, 2590515, 3626721, 6044535, 18133605]

約数ペア:

[(1, 18133605), (3, 6044535), (5, 3626721), (7, 2590515), (9, 2014845), (15, 1208907), (21, 863505), (27, 671615), (31, 584955), (35, 518103), (45, 402969), (63, 287835), (93, 194985), (105, 172701), (135, 134323), (155, 116991), (189, 95945), (217, 83565), (279, 64995), (315, 57567), (465, 38997), (619, 29295), (651, 27855), (837, 21665), (945, 19189), (1085, 16713), (1395, 12999), (1857, 9765), (1953, 9285), (3095, 5859), (3255, 5571), (4185, 4333)]