19787430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 31922970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 449, 565, 678, 898, 1130, 1347, 1469, 1695, 2245, 2694, 2938, 3390, 4407, 4490, 5837, 6735, 7345, 8814, 11674, 13470, 14690, 17511, 22035, 29185, 35022, 44070, 50737, 58370, 87555, 101474, 152211, 175110, 253685, 304422, 507370, 659581, 761055, 1319162, 1522110, 1978743, 3297905, 3957486, 6595810, 9893715, 19787430]

約数ペア:

[(1, 19787430), (2, 9893715), (3, 6595810), (5, 3957486), (6, 3297905), (10, 1978743), (13, 1522110), (15, 1319162), (26, 761055), (30, 659581), (39, 507370), (65, 304422), (78, 253685), (113, 175110), (130, 152211), (195, 101474), (226, 87555), (339, 58370), (390, 50737), (449, 44070), (565, 35022), (678, 29185), (898, 22035), (1130, 17511), (1347, 14690), (1469, 13470), (1695, 11674), (2245, 8814), (2694, 7345), (2938, 6735), (3390, 5837), (4407, 4490)]