18213660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11243}}^1$

素因数の和:11264

約数の個数: 60

約数和(自身を含む): 57142008

約数和(自身を除く): 38928348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11243, 22486, 33729, 44972, 56215, 67458, 101187, 112430, 134916, 168645, 202374, 224860, 303561, 337290, 404748, 505935, 607122, 674580, 910683, 1011870, 1214244, 1517805, 1821366, 2023740, 3035610, 3642732, 4553415, 6071220, 9106830, 18213660]

約数ペア:

[(1, 18213660), (2, 9106830), (3, 6071220), (4, 4553415), (5, 3642732), (6, 3035610), (9, 2023740), (10, 1821366), (12, 1517805), (15, 1214244), (18, 1011870), (20, 910683), (27, 674580), (30, 607122), (36, 505935), (45, 404748), (54, 337290), (60, 303561), (81, 224860), (90, 202374), (108, 168645), (135, 134916), (162, 112430), (180, 101187), (270, 67458), (324, 56215), (405, 44972), (540, 33729), (810, 22486), (1620, 11243)]