18815076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 35959644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 379, 394, 591, 758, 788, 1137, 1182, 1379, 1516, 1773, 2274, 2364, 2653, 2758, 3411, 3546, 4137, 4548, 5306, 5516, 6822, 7092, 7959, 8274, 10612, 12411, 13644, 15918, 16548, 23877, 24822, 31836, 47754, 49644, 74663, 95508, 149326, 223989, 298652, 447978, 522641, 671967, 895956, 1045282, 1343934, 1567923, 2090564, 2687868, 3135846, 4703769, 6271692, 9407538, 18815076]

約数ペア:

[(1, 18815076), (2, 9407538), (3, 6271692), (4, 4703769), (6, 3135846), (7, 2687868), (9, 2090564), (12, 1567923), (14, 1343934), (18, 1045282), (21, 895956), (28, 671967), (36, 522641), (42, 447978), (63, 298652), (84, 223989), (126, 149326), (197, 95508), (252, 74663), (379, 49644), (394, 47754), (591, 31836), (758, 24822), (788, 23877), (1137, 16548), (1182, 15918), (1379, 13644), (1516, 12411), (1773, 10612), (2274, 8274), (2364, 7959), (2653, 7092), (2758, 6822), (3411, 5516), (3546, 5306), (4137, 4548)]