19879700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10463}}^1$

素因数の和:10496

約数の個数: 36

約数和(自身を含む): 45413760

約数和(自身を除く): 25534060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10463, 20926, 41852, 52315, 104630, 198797, 209260, 261575, 397594, 523150, 795188, 993985, 1046300, 1987970, 3975940, 4969925, 9939850, 19879700]

約数ペア:

[(1, 19879700), (2, 9939850), (4, 4969925), (5, 3975940), (10, 1987970), (19, 1046300), (20, 993985), (25, 795188), (38, 523150), (50, 397594), (76, 261575), (95, 209260), (100, 198797), (190, 104630), (380, 52315), (475, 41852), (950, 20926), (1900, 10463)]