18970550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1051}}^1$

素因数の和:1101

約数の個数: 36

約数和(自身を含む): 37275516

約数和(自身を除く): 18304966

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1051, 1805, 2102, 3610, 5255, 9025, 10510, 18050, 19969, 26275, 39938, 52550, 99845, 199690, 379411, 499225, 758822, 998450, 1897055, 3794110, 9485275, 18970550]

約数ペア:

[(1, 18970550), (2, 9485275), (5, 3794110), (10, 1897055), (19, 998450), (25, 758822), (38, 499225), (50, 379411), (95, 199690), (190, 99845), (361, 52550), (475, 39938), (722, 26275), (950, 19969), (1051, 18050), (1805, 10510), (2102, 9025), (3610, 5255)]