19870070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5827}}^1$

素因数の和:5876

約数の個数: 32

約数和(自身を含む): 40283136

約数和(自身を除く): 20413066

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5827, 11654, 29135, 58270, 64097, 128194, 180637, 320485, 361274, 640970, 903185, 1806370, 1987007, 3974014, 9935035, 19870070]

約数ペア:

[(1, 19870070), (2, 9935035), (5, 3974014), (10, 1987007), (11, 1806370), (22, 903185), (31, 640970), (55, 361274), (62, 320485), (110, 180637), (155, 128194), (310, 64097), (341, 58270), (682, 29135), (1705, 11654), (3410, 5827)]