19550860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 47589696

約数和(自身を除く): 28038836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1913, 2044, 2555, 3826, 5110, 7652, 9565, 10220, 13391, 19130, 26782, 38260, 53564, 66955, 133910, 139649, 267820, 279298, 558596, 698245, 977543, 1396490, 1955086, 2792980, 3910172, 4887715, 9775430, 19550860]

約数ペア:

[(1, 19550860), (2, 9775430), (4, 4887715), (5, 3910172), (7, 2792980), (10, 1955086), (14, 1396490), (20, 977543), (28, 698245), (35, 558596), (70, 279298), (73, 267820), (140, 139649), (146, 133910), (292, 66955), (365, 53564), (511, 38260), (730, 26782), (1022, 19130), (1460, 13391), (1913, 10220), (2044, 9565), (2555, 7652), (3826, 5110)]