1880392

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 3780000

約数和(自身を除く): 1899608

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 139, 152, 178, 278, 356, 556, 712, 1112, 1691, 2641, 3382, 5282, 6764, 10564, 12371, 13528, 21128, 24742, 49484, 98968, 235049, 470098, 940196, 1880392]

約数ペア:

[(1, 1880392), (2, 940196), (4, 470098), (8, 235049), (19, 98968), (38, 49484), (76, 24742), (89, 21128), (139, 13528), (152, 12371), (178, 10564), (278, 6764), (356, 5282), (556, 3382), (712, 2641), (1112, 1691)]