18613644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3206

約数の個数: 48

約数和(自身を含む): 50351616

約数和(自身を除く): 31737972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3121, 5964, 6242, 9363, 12484, 18726, 21847, 37452, 43694, 65541, 87388, 131082, 221591, 262164, 443182, 664773, 886364, 1329546, 1551137, 2659092, 3102274, 4653411, 6204548, 9306822, 18613644]

約数ペア:

[(1, 18613644), (2, 9306822), (3, 6204548), (4, 4653411), (6, 3102274), (7, 2659092), (12, 1551137), (14, 1329546), (21, 886364), (28, 664773), (42, 443182), (71, 262164), (84, 221591), (142, 131082), (213, 87388), (284, 65541), (426, 43694), (497, 37452), (852, 21847), (994, 18726), (1491, 12484), (1988, 9363), (2982, 6242), (3121, 5964)]