19840528

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2371}}^1$

素因数の和:2902

約数の個数: 20

約数和(自身を含む): 38530768

約数和(自身を除く): 18690240

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2371, 4184, 4742, 8368, 9484, 18968, 37936, 1240033, 2480066, 4960132, 9920264, 19840528]

約数ペア:

[(1, 19840528), (2, 9920264), (4, 4960132), (8, 2480066), (16, 1240033), (523, 37936), (1046, 18968), (2092, 9484), (2371, 8368), (4184, 4742)]