18678636

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^2\times {\mathrm{379}}^1$

素因数の和:463

約数の個数: 54

約数和(自身を含む): 48654060

約数和(自身を除く): 29975424

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 379, 444, 666, 758, 1137, 1332, 1369, 1516, 2274, 2738, 3411, 4107, 4548, 5476, 6822, 8214, 12321, 13644, 14023, 16428, 24642, 28046, 42069, 49284, 56092, 84138, 126207, 168276, 252414, 504828, 518851, 1037702, 1556553, 2075404, 3113106, 4669659, 6226212, 9339318, 18678636]

約数ペア:

[(1, 18678636), (2, 9339318), (3, 6226212), (4, 4669659), (6, 3113106), (9, 2075404), (12, 1556553), (18, 1037702), (36, 518851), (37, 504828), (74, 252414), (111, 168276), (148, 126207), (222, 84138), (333, 56092), (379, 49284), (444, 42069), (666, 28046), (758, 24642), (1137, 16428), (1332, 14023), (1369, 13644), (1516, 12321), (2274, 8214), (2738, 6822), (3411, 5476), (4107, 4548)]