18939821470

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{90031}}^1$

素因数の和:90340

約数の個数: 32

約数和(自身を含む): 34583091840

約数和(自身を除く): 15643270370

約数列:

[1, 2, 5, 10, 109, 193, 218, 386, 545, 965, 1090, 1930, 21037, 42074, 90031, 105185, 180062, 210370, 450155, 900310, 9813379, 17375983, 19626758, 34751966, 49066895, 86879915, 98133790, 173759830, 1893982147, 3787964294, 9469910735, 18939821470]

約数ペア:

[(1, 18939821470), (2, 9469910735), (5, 3787964294), (10, 1893982147), (109, 173759830), (193, 98133790), (218, 86879915), (386, 49066895), (545, 34751966), (965, 19626758), (1090, 17375983), (1930, 9813379), (21037, 900310), (42074, 450155), (90031, 210370), (105185, 180062)]