18751029

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 9615819

約数列:

[1, 3, 11, 33, 53, 71, 151, 159, 213, 453, 583, 781, 1661, 1749, 2343, 3763, 4983, 8003, 10721, 11289, 24009, 32163, 41393, 88033, 117931, 124179, 264099, 353793, 568213, 1704639, 6250343, 18751029]

約数ペア:

[(1, 18751029), (3, 6250343), (11, 1704639), (33, 568213), (53, 353793), (71, 264099), (151, 124179), (159, 117931), (213, 88033), (453, 41393), (583, 32163), (781, 24009), (1661, 11289), (1749, 10721), (2343, 8003), (3763, 4983)]