18695550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5419}}^1$

素因数の和:5457

約数の個数: 48

約数和(自身を含む): 48389760

約数和(自身を除く): 29694210

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5419, 10838, 16257, 27095, 32514, 54190, 81285, 124637, 135475, 162570, 249274, 270950, 373911, 406425, 623185, 747822, 812850, 1246370, 1869555, 3115925, 3739110, 6231850, 9347775, 18695550]

約数ペア:

[(1, 18695550), (2, 9347775), (3, 6231850), (5, 3739110), (6, 3115925), (10, 1869555), (15, 1246370), (23, 812850), (25, 747822), (30, 623185), (46, 406425), (50, 373911), (69, 270950), (75, 249274), (115, 162570), (138, 135475), (150, 124637), (230, 81285), (345, 54190), (575, 32514), (690, 27095), (1150, 16257), (1725, 10838), (3450, 5419)]