1921880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 4514400

約数和(自身を除く): 2592520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2089, 4178, 8356, 10445, 16712, 20890, 41780, 48047, 83560, 96094, 192188, 240235, 384376, 480470, 960940, 1921880]

約数ペア:

[(1, 1921880), (2, 960940), (4, 480470), (5, 384376), (8, 240235), (10, 192188), (20, 96094), (23, 83560), (40, 48047), (46, 41780), (92, 20890), (115, 16712), (184, 10445), (230, 8356), (460, 4178), (920, 2089)]