18286920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 60278400

約数和(自身を除く): 41991480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 643, 711, 790, 948, 1185, 1286, 1422, 1580, 1896, 1929, 2370, 2572, 2844, 3160, 3215, 3555, 3858, 4740, 5144, 5688, 5787, 6430, 7110, 7716, 9480, 9645, 11574, 12860, 14220, 15432, 19290, 23148, 25720, 28440, 28935, 38580, 46296, 50797, 57870, 77160, 101594, 115740, 152391, 203188, 231480, 253985, 304782, 406376, 457173, 507970, 609564, 761955, 914346, 1015940, 1219128, 1523910, 1828692, 2031880, 2285865, 3047820, 3657384, 4571730, 6095640, 9143460, 18286920]

約数ペア:

[(1, 18286920), (2, 9143460), (3, 6095640), (4, 4571730), (5, 3657384), (6, 3047820), (8, 2285865), (9, 2031880), (10, 1828692), (12, 1523910), (15, 1219128), (18, 1015940), (20, 914346), (24, 761955), (30, 609564), (36, 507970), (40, 457173), (45, 406376), (60, 304782), (72, 253985), (79, 231480), (90, 203188), (120, 152391), (158, 115740), (180, 101594), (237, 77160), (316, 57870), (360, 50797), (395, 46296), (474, 38580), (632, 28935), (643, 28440), (711, 25720), (790, 23148), (948, 19290), (1185, 15432), (1286, 14220), (1422, 12860), (1580, 11574), (1896, 9645), (1929, 9480), (2370, 7716), (2572, 7110), (2844, 6430), (3160, 5787), (3215, 5688), (3555, 5144), (3858, 4740)]