1999138219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{18521}}^1$

素因数の和:18595

約数の個数: 24

約数和(自身を含む): 2371112352

約数和(自身を除く): 371974133

約数列:

[1, 13, 19, 23, 247, 299, 361, 437, 4693, 5681, 8303, 18521, 107939, 240773, 351899, 425983, 4574687, 5537779, 6686081, 8093677, 86919053, 105217801, 153779863, 1999138219]

約数ペア:

[(1, 1999138219), (13, 153779863), (19, 105217801), (23, 86919053), (247, 8093677), (299, 6686081), (361, 5537779), (437, 4574687), (4693, 425983), (5681, 351899), (8303, 240773), (18521, 107939)]