19951900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10501}}^1$

素因数の和:10534

約数の個数: 36

約数和(自身を含む): 45578680

約数和(自身を除く): 25626780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10501, 21002, 42004, 52505, 105010, 199519, 210020, 262525, 399038, 525050, 798076, 997595, 1050100, 1995190, 3990380, 4987975, 9975950, 19951900]

約数ペア:

[(1, 19951900), (2, 9975950), (4, 4987975), (5, 3990380), (10, 1995190), (19, 1050100), (20, 997595), (25, 798076), (38, 525050), (50, 399038), (76, 262525), (95, 210020), (100, 199519), (190, 105010), (380, 52505), (475, 42004), (950, 21002), (1900, 10501)]