18925620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45061}}^1$

素因数の和:45080

約数の個数: 48

約数和(自身を含む): 60563328

約数和(自身を除く): 41637708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45061, 90122, 135183, 180244, 225305, 270366, 315427, 450610, 540732, 630854, 675915, 901220, 946281, 1261708, 1351830, 1577135, 1892562, 2703660, 3154270, 3785124, 4731405, 6308540, 9462810, 18925620]

約数ペア:

[(1, 18925620), (2, 9462810), (3, 6308540), (4, 4731405), (5, 3785124), (6, 3154270), (7, 2703660), (10, 1892562), (12, 1577135), (14, 1351830), (15, 1261708), (20, 946281), (21, 901220), (28, 675915), (30, 630854), (35, 540732), (42, 450610), (60, 315427), (70, 270366), (84, 225305), (105, 180244), (140, 135183), (210, 90122), (420, 45061)]