189435890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{142433}}^1$

素因数の和:142466

約数の個数: 32

約数和(自身を含む): 410209920

約数和(自身を除く): 220774030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 142433, 284866, 712165, 997031, 1424330, 1994062, 2706227, 4985155, 5412454, 9970310, 13531135, 18943589, 27062270, 37887178, 94717945, 189435890]

約数ペア:

[(1, 189435890), (2, 94717945), (5, 37887178), (7, 27062270), (10, 18943589), (14, 13531135), (19, 9970310), (35, 5412454), (38, 4985155), (70, 2706227), (95, 1994062), (133, 1424330), (190, 997031), (266, 712165), (665, 284866), (1330, 142433)]