19471954

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1017

約数の個数: 16

約数和(自身を含む): 29786400

約数和(自身を除く): 10314446

約数列:

[1, 2, 89, 139, 178, 278, 787, 1574, 12371, 24742, 70043, 109393, 140086, 218786, 9735977, 19471954]

約数ペア:

[(1, 19471954), (2, 9735977), (89, 218786), (139, 140086), (178, 109393), (278, 70043), (787, 24742), (1574, 12371)]