19441880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28591}}^1$

素因数の和:28619

約数の個数: 32

約数和(自身を含む): 46319040

約数和(自身を除く): 26877160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28591, 57182, 114364, 142955, 228728, 285910, 486047, 571820, 972094, 1143640, 1944188, 2430235, 3888376, 4860470, 9720940, 19441880]

約数ペア:

[(1, 19441880), (2, 9720940), (4, 4860470), (5, 3888376), (8, 2430235), (10, 1944188), (17, 1143640), (20, 972094), (34, 571820), (40, 486047), (68, 285910), (85, 228728), (136, 142955), (170, 114364), (340, 57182), (680, 28591)]